Chrono list of posts

Science Alert In spite of having plagued humans for millennia, typhoid fever is rarely considered in developed countries today. But this ancient threat is still very much a danger in our modern world. According to research published in 2022, the bacterium that causes typhoid fever is evolving extensive drug resistance, and is rapidly replacing strains that aren’t resistant.… Read more: Ancient Killer Is Rapidly Becoming Resistant to Antibiotics, Warns Study

WHIO TV Four people in Florida have died after they contracted flesh-eating bacteria this year, according to the state’s health department. The agency said there was one fatal case in each of the following counties: Bay County, Broward County, Hillsborough County, and St. John’s County. Overall, there have been 11 cases in the state this year,… Read more: Flesh-eating bacteria kills 4; what is Vibrio vulnificus

Nature Highly pathogenic avian influenza (HPAI) H5N1 virus has been associated with severe mastitis in dairy cows, leading to decreased milk production. Here we investigated the impact of H5N1 virus infection in health and production parameters in an affected dairy herd in Ohio. Clinical disease, which lasted for about three weeks, was recorded in 20.0%… Read more: The impact of highly pathogenic avian influenza H5N1 virus infection on dairy cows

Interesting Engineering A recent study has unraveled the mystery of how the H5N1 avian influenza virus infects the mammary glands of dairy cows, despite typically being a respiratory pathogen. Researchers, led by Professor Hualan Chen of the Harbin Veterinary Research Institute in China, have also presented a roadmap for managing the disease in cattle. “This… Read more: ‘Milk-stealing’ calves spread deadly bird flu virus among US cows, China study reveals

CIDRAP Bangladesh and India alert WHO about new H5N1 infections. In a monthly zoonotic flu update, the World Health Organization (WHO) said Bangladesh and India have reported new H5N1 avian flu cases that were previously unreported. Bangladesh’s patient is a child from Chittagong division in the country’s southeast who was admitted to the hospital on May… Read more: Bangladesh and India alert WHO about new H5N1 infections

People A man in his 50s died after contracting the first confirmed case of Australian bat lyssavirus (ABLV) in New South Wales, Australia. Craig Nolte died on July 3 after falling critically ill from a bat bite the he sustained eight months prior, his wife Robyn Nolte confirmed in a post on Facebook on Tuesday, July 15. “I said… Read more: New Details Revealed About Father-of-2 Who Died After Catching Fatal Bat Virus

Global Biodefense A new study published in The Journal of Infectious Diseases provides the first in vivo evidence that chikungunya virus (CHIKV) directly infects cartilage-producing cells known as chondrocytes. Using a genetically engineered virus that glows in infected tissues, scientists tracked the progression of CHIKV in mice, revealing persistent infection in joints and uncovering cellular mechanisms that may underlie… Read more: Chikungunya Virus Found to Infect Cartilage Cells, Offering Clues to Long-Term Joint Pain

Medical Express Researchers from the universities of Basel and Zurich have used a historical specimen from UZH’s Medical Collection to decode the genome of the virus responsible for the 1918–1920 influenza pandemic in Switzerland. The genetic material of the virus reveals that it had already developed key adaptations to humans at the outset of what… Read more: Swiss genome of the 1918 influenza virus reconstructed

MIT News The molecules trigger a built-in cellular stress response and show promise as broad-spectrum antivirals against Zika, herpes, RSV, and more. Researchers at MIT and other institutions have identified compounds that can fight off viral infection by activating a defense pathway inside host cells. These compounds, they believe, could be used as antiviral drugs… Read more: Scientists discover compounds that help cells fight a wide range of viruses

aa.com Mozambique has confirmed a surge in cases of the mpox virus during the past 48 hours in parts of the country. According to a report by the National Directorate of Public Health made available Tuesday, the country has recorded 11 cases, but no deaths have been reported so far. Niassa is said to be… Read more: Mozambique sees surge in mpox cases

The Conversation Blindness, pneumonia, severe diarrhoea and even death – measles virus infections, especially in children, can have devastating consequences. Fortunately, we have a safe and effective defence. Measles vaccines are estimated to have averted more than 60 million deaths between 2000 and 2023. Yet despite this success, measles cases are rising sharply in the UK and around the… Read more: Measles isn’t just dangerous – it may erase your immune system

The Guardian Nearly 30 years after Andrew Wakefield’s discredited study linking the MMR vaccine and autism, we badly need an injection of rationality. It’s easy to say in hindsight, but also true, that even when the anti-vax movement was in its infancy in the late 90s before I had kids, let alone knew what you… Read more: Measles cases are surging in Europe and the US. This is what the anti-vax conspiracy theory has brought us

The Hill With outbreaks of previously eradicated measles leading the news for months, more epidemics may be in store for the U.S. As vaccination rates among children continue to plummet, concerns are rising over the potential for infectious diseases to spread rampantly in the coming years and decades. Research published in the medical journal JAMA suggests a continued decline could lead to… Read more: Measles, rubella and polio: The return of preventable diseases

CBC Alberta has now confirmed more measles cases than the entire United States has reported this year. The province has been battling outbreaks since March and as of noon Monday, total case counts in the province had ballooned to 1,314. The latest update from the U.S. Centers for Disease Control and Prevention shows that country has amassed… Read more: Alberta’s measles outbreaks surpass case counts reported for entire U.S.

Bloomberg Last week, local health authorities in northern Arizona confirmed a person died of the plague. It’s the county’s first death from pneumonic plague, a type of bacteria that infects the lungs, since 2007. There’s still a lot we don’t know about the victim, like the person’s age and gender, how the disease was contracted or… Read more: What You Should Know About the Plague After an Arizona Death

The Conversation A person in Arizona has died from the plague, local health officials reported on Friday. This marks the first such death in this region in 18 years. But it’s a stark reminder that this historic disease, though rare nowadays, is not just a disease of the past. So what actually is “plague”? And is it… Read more: A person in the US has died from pneumonic plague. It’s not just a disease of history

New York Times The resident died from pneumonic plague, the first such death in Coconino County, Ariz., since 2007, the county said. A resident of Coconino County, Ariz., died from pneumonic plague, the first such death in the county in almost two decades, officials announced on Friday. The resident went to Flagstaff Medical Center recently… Read more: Arizona Resident Dies From Plague

Washington Post Tick-related emergency room visits are at the highest since 2019, CDC data shows. The Northeast region has seen the most this summer. Michael Raupp is used to pulling bugs off his body. As an entomology professor and author of a blog that introduces readers to a bug a week, the 73-year-old spends a… Read more: ‘Ticks EVERYWHERE?’: Sightings and bites in the D.C. region heighten worries

NBC News The study included more than 1.2 million people in Denmark who got childhood vaccines. Aluminum in childhood vaccines is a target of vaccine skeptics, who blame the ingredient on myriad health concerns. But a study of more than 1 million people, published Monday in the Annals of Internal Medicine, found no link between aluminum in… Read more: Study finds no link between aluminum in vaccines and autism, asthma

CBS News Video Cases of COVID-19 are now likely growing in 25 states, according to estimates published by the Centers for Disease Control and Prevention on Friday, as this year’s summer wave of the virus appears to be getting underway. The agency’s modeling suggests that the uptick is in “many” Southeast, Southern and West Coast states, the CDC said… Read more: COVID cases likely rising in half of states, CDC estimates

ABC News More than 14 million children around the world have not received a single dose of any vaccine, according to new data from the World Health Organization (WHO) and UNICEF. This is 4 million more children than the 2024 target set by the WHO and 1.4 million more children than in 2019, which is the… Read more: More than 14M children globally have not received a dose of any vaccine: WHO

World Economic Forum This is a new kind of mosquito trap. It was developed by scientists at the University of South Florida who say it can track the spread of mosquito-borne diseases such as malaria and dengue fever. Giving public health officials the information they need to monitor and control outbreaks

NYT Video There have now been more measles cases in 2025 than in any other year since the contagious virus was declared eliminated in the United States in 2000, according to new data from the Centers for Disease Control and Prevention. Experts fear that with no clear end to the current outbreak, the U.S. may… Read more: Measles Cases Have Hit a Record High. What Went Wrong?

Global Biodefense How artificial intelligence is changing the risk landscape for bioterrorism—and what global health security stakeholders must do next. As artificial intelligence (AI) systems rapidly integrate into everyday life and scientific enterprise, a new frontier of biosecurity risk has emerged—one where malicious actors may exploit generative AI to design, synthesize, and deploy bioweapons. A… Read more: Confronting the AI-Accelerated Threat of Bioterrorism

Washington Post Experts are worried that despite the hard-won lessons of covid, we are not fully prepared for the next pandemic. Outbreaks of new types of infections and, yes, even pandemics are becoming increasingly likely, and we need to prepare for not only the next one but also its long-lasting physical and mental effects, experts… Read more: What long covid can teach us about future pandemics

News Medical.net Childhood cancer survivors have a substantially higher risk of developing severe coronavirus disease 2019 (COVID-19) even many years after their cancer diagnosis, as reported by the first European and nationwide population-based study published in The Lancet Regional Health.  Background The prevalence of childhood cancer is rapidly increasing worldwide, with more than 400,000 children aged… Read more: Lasting COVID-19 vulnerability in childhood cancer survivors

Watt Poultry Highly pathogenic avian influenza (HPAI) was confirmed in a flock of commercial upland gamebirds in Lancaster County, Pennsylvania. According to information from the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS), the presence of HPAI was confirmed on July 2. The gamebirds were being raised for release, and the flock… Read more: Pennsylvania commercial gamebirds struck by avian flu

Global Biodefense Unusual spike in human infections highlights ongoing risks at the human-animal interface and the need for cross-sectoral public health action. Between January and July 2025, Cambodian health authorities reported 11 laboratory-confirmed cases of human infection with avian influenza A(H5N1), including six fatalities. Notably, seven of these cases occurred in June alone—an unusual monthly spike. These… Read more: Cambodia Reports Surge in Human Infections with Avian Influenza A(H5N1)

Nature Since Spring 2024, new genotypes of highly pathogenic avian influenza (HPAI) H5N1 clade 2.3.4.4b have been identified in the United States (US). These HPAI H5N1 genotypes have caused unprecedented multi-state outbreaks in poultry and dairy farms, and human infections. Here, we discuss the current situation of this outbreak and emphasizes the need for pre-pandemic… Read more: Highly pathogenic avian influenza H5N1 in the United States: recent incursions and spillover to cattle

Nature The low testing rates of Mpox suspected cases remain a key factor in the continued spread of the disease in the Democratic Republic of Congo (DRC) and neighboring countries. Here, we highlight the causes, as well as the challenges and strategies needed to curb the spread of the current uncontrolled Mpox outbreak in the… Read more: Increased testing is needed for Mpox in DR Congo to urgently curb disease spread

MedExpress In this study, the researchers tested the vaccine’s resistance to the virulent pathogen that causes the disease and were able to demonstrate 100% protection against infection in animal models. The researchers now hope that this technology can be used to combat other lethal bacteria as well. The study was led by Tel Aviv University’s Vice President… Read more: COVID-19 vaccine technology adapted to develop first mRNA defense against antibiotic-resistant bacteria

Washington Post Experts say a surge may happen in the coming months and urge people to get vaccinated. Coronavirus cases may surge in the coming weeks, as they have every summer since the pandemic began five years ago, experts said. Getting vaccinated, masking, improving air quality and staying away from those who may be contagious continue to be some… Read more: Here’s what you need to know about covid this summer

Time With summer travel at an all-time high, new COVID-19 variants are brewing. Officials at the World Health Organization (WHO) recently added another one to its list of variants under monitoring: XFG. XFG is spreading most widely in Southeast Asia, although cases have been reported in 38 countries. In the U.K., it accounts for 30% of COVID-19 infections, and in… Read more: What to Know About the New COVID-19 Variant XFG

The HIll An employee at Grand Canyon National Park was exposed to hantavirus, and a separate case of exposure to rabies in the park has also been confirmed. A Coconino County health official confirmed both reports to Nexstar’s KLAS. While hantavirus can be fatal, it’s also rare. The virus is spread primarily by deer mice, according… Read more: Hantavirus, rabies exposures confirmed at Grand Canyon National Park

ABC News Emergency rooms across the country are seeing a spike in tick bite cases, according to new data from the Centers for Disease Control and Prevention. July has already seen the highest number of tick-related ER visits since 2017, with the Northeast region reporting the most cases, the CDC said. Young children and elderly… Read more: ER visits for tick bites near record levels this summer across US

The HIll The Centers for Disease Control and Prevention (CDC) has ended its emergency response to the H5N1 avian flu. A spokesperson for the Department of Health and Human Services (HHS) said that the emergency bird flu response was “deactivated to transition back to regular program activity” last Wednesday due to reports of animal infections declining and no… Read more: CDC ends bird flu emergency

Washington Post Malaria caused 597,000 deaths worldwide in 2023, with children under 5 accounting for 76 percent of all malaria deaths in the World Health Organization’s Africa region. The first malaria drug for newborn babies and those weighing less than 11 pounds has been approved by Swiss medical authorities in a move that could fill… Read more: First malaria treatment for newborn babies approved for use

NBC News An outbreak in West Texas that spread to several other states drove the case counts up substantially. Measles cases in the United States are the highest they’ve been since the country eliminated the disease in 2000. The U.S. has reported 1,277 cases since the start of the year, according to NBC News’ tally… Read more: Measles cases reach highest point since the disease was eliminated in U.S. in 2000

Wired RFK Jr.’s vaccine advisory board could stop recommending some routine childhood immunizations, leaving insurers to decide whether to still cover them. For now, most are remaining tight-lipped. In the wake of the Advisory Committee on Immunization Practices (ACIP) announcing plans to revisit its recommended schedule for childhood vaccinations—a move that has drawn widespread criticism from… Read more: Insurers Aren’t Saying Whether They’ll Cover Vaccines for Kids if Government Stops Recommending Them

Wired he World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat is among its main symptoms. Another NEW covid variant is currently rapidly gaining a foothold. Known officially as XFG—or informally as “Stratus”—it has been declared a “variant under monitoring” by the World Health Organization (WHO), and is… Read more: Feeling Hoarse? You Might Have the New ‘Stratus’ Covid Variant

Harvard Global Health As part of our ongoing event series, this session is dedicated to navigating the complexities of health information, misinformation, and trust. We’ll explore how to distinguish between misinformation, disinformation, and legitimate differences in opinion. Participants will gain practical tools for fact-checking health claims and evaluating sources, while also examining how shifts in… Read more: The Rise of Misinformation and Distrust in Science

Medscape When Brazilian scientist Letícia Soares contracted COVID-19 in April 2020, she was in the final stretch of her postdoctoral studies in disease ecology at a Canadian university. By August, she was bedbound. What began as piercing migraines quickly escalated into a cascade of long COVID symptoms — gastrointestinal distress, sleeplessness, joint and muscle pain, and crushing… Read more: Long COVID Rates Higher in Women: Evidence Grows

The Guardian Unusually aggressive lone star ticks, common in the south-east, are spreading to areas previously too cold for them. Blood-sucking ticks that trigger a bizarre allergy to meat in the people they bite are exploding in number and spreading across the US, to the extent that they could cover the entire eastern half of… Read more: ‘Explosive increase’ of ticks that cause meat allergy in US due to climate crisis

Michigan Live Powassan virus is rare, but incidents of it are on an upswing, health officials said. That could be due to more people being infected, better testing, or a combination of the two. Black-legged (deer) ticks contract the disease from infected animals and then can pass it to humans when they latch on, the… Read more: Rare tick-borne virus kills 1, hospitalizes 2 in Wisconsin

USA Today In their first vote since appointed by Health and Human Services Secretary Robert F. Kennedy Jr., the eight members of a vaccine committee voted to recommend a shot that protects infants against respiratory syncytial virus, or RSV. Clesrovimab, a monoclonal antibody created by pharmaceutical giant Merck, is recommended for use in infants younger than 8 months… Read more: In surprise move, RFK Jr.’s vaccine committee votes to recommend RSV shot for infants

NBC News More than 1,200 cases have been confirmed in the U.S. so far this year. NBC News is updating case totals every week. Measles is among the most contagious diseases in the world, and case counts in the United States are ticking up. NBC News is tracking confirmed measles cases across the country with data… Read more: Measles tracker: Follow cases, outbreaks and vaccination rates across the U.S

ABC News Wyoming is reporting its first measles case in 15 years as the infectious disease continues to spread across the United States. The state’s Department of Health said on Tuesday that it had confirmed a case in an unvaccinated child in Natrona County, which is located in the central part of the state and includes the… Read more: Wyoming confirms 1st case of measles in 15 years as infections near 30-year high in US

Scientific American The first hints that a new strain of avian illness is emerging could be found on this beach on Delaware Bay, where migrating birds flock. Here’s what virus detectives who return there every year know right now. H5N1 bird flu has been making a lot of headlines since last year, and for good… Read more: How Bird Flu Became a Human Pandemic Threat

Watt Poultry A number of human infections with flu viruses of avian origin have also been confirmed in the region. Since mid-June, Cambodia’s veterinary authority has confirmed six further highly pathogenic avian influenza (HPAI) outbreaks in poultry flocks. Based on official notifications to the World Organisation for Animal Health (WOAH), these bring the nation’s total outbreaks over… Read more: Cambodia, South Korea record new avian flu cases in poultry

BNO News Cambodia has confirmed three new human cases of H5N1 bird flu, all linked to the same area where a case was reported last week, according to health officials. The new cases include a 46-year-old woman and her 16-year-old son from Lek village in Daun Keo commune. Both are currently in stable condition. Their… Read more: Cambodia reports 3 new human cases of H5N1 bird flu

The Conversation An expert committee that advises the Centers for Disease Control and Prevention voted on June 26, 2025, to cease recommending the use of a mercury-based chemical called thimerosal in flu vaccines. Only a small number of flu vaccines – ones that are produced in multi-dose vials – currently contain thimerosal. Thimerosal is almost never used… Read more: A preservative removed from childhood vaccines 20 years ago is still causing controversy today − a drug safety expert explains

The Conversation In the shadows of Python Cave, Uganda, a leopard leaps from a guano mound – formed by bat excrement – and sinks its teeth into a bat. But this is no ordinary bat colony. The thousands of Egyptian fruit bats (Rousettus aegyptiacus) found in this cave are known carriers of one of the world’s deadliest viruses: Marburg,… Read more: How does Marburg virus spread between species? Young Ugandan scientist’s photos give important clues

CDC On April 1, CDC confirmed one human HPAI A(H5N1) infection in a person with exposure to dairy cows in Texas that were presumed to be infected with the virus. This is thought to be the first instance of likely mammal to human spread of HPAI A(H5N1) virus. In May 2024, CDC began reporting additional,… Read more: Current Situation: Bird Flu in Dairy Cows

Food Poisoning News Viruses represent a significant and evolving challenge to global food safety, responsible for an estimated 600 million foodborne illnesses annually according to the World Health Organization.  While norovirus, hepatitis A virus (HAV), and hepatitis E virus (HEV) dominate reported outbreaks, scientific attention is increasingly focused on other viruses with emerging foodborne transmission potential. These pathogens exploit gaps… Read more: The Expanding Landscape of Foodborne Viral Threats

Nature In 2022-23, the world witnessed the largest recorded outbreak of monkeypox virus (MPXV). Neurological manifestations were reported alongside the detection of MPXV DNA and MPXV-specific antibodies in the cerebrospinal fluid of patients. Here, we analyze the susceptibility of neural tissue to MPXV using human neural organoids (hNOs) exposed to a clade IIb isolate. We… Read more: Mpox virus spreads from cell-to-cell and leads to neuronal death in human neural organoids

Live Science Bats found near orchards harbor pathogens that could be passed to livestock or humans. Scientists in China have discovered a host of never-before-seen viruses in bats that live near humans. These viruses include two that are closely related to the deadly Nipah and Hendra viruses, which can cause severe brain inflammation and respiratory disease in… Read more: New viruses identified in bats in China

Vox Oropouche virus disease was a relatively rare illness for decades, lurking on the margins of tropical rainforests in the Caribbean and South America. Sporadic reports of an infection causing fevers, coughs, chills, and body aches emerged among people living near or moving into the jungle. A tiny insect called a midge spreads the disease,… Read more: Meet the Oropouche virus. It may be visiting your city soon.

Nature Future epidemics and/or pandemics may likely arise from zoonotic viruses with bat- and rodent-borne pathogens being among the prime candidates. To improve preparedness and prevention strategies, we predicted the global distribution of bat- and rodent-borne viral infectious disease outbreaks using geospatial modeling. We developed species distribution models based on published outbreak occurrence data, applying… Read more: Mapping global risk of bat and rodent borne disease outbreaks to anticipate emerging threats

NYT A C.D.C. advisory committee on Thursday voted against flu shots that contain the ingredient. An expert panel that advises the Centers for Disease Control and Prevention on vaccines voted Thursday to no longer recommend annual flu shots that contain the preservative thimerosal. The move gives credence to the long debunked theory that the ingredient… Read more: What to Know About the Vaccine Preservative Thimerosal

KFF Dengue Case Rates Rise in California, Florida, and Texas The number of dengue cases per million residents nearly doubled in the contiguous United States from 2023 to 2024 — and almost tripled in California. Florida’s big jump came earlier. Most cases were contracted abroad. As summer ushers in peak mosquito season, health and vector control… Read more: As Mosquito Season Peaks, Officials Brace for New Normal of Dengue Cases

NYT Summer travel raises fears that the highly infectious virus will spread. Here’s how to protect yourself and your family. Measles, most unfortunately, is back in the news and in the air. In the United States, more than a thousand cases have been reported to the Centers for Disease Control and Prevention in 2025, the… Read more: What to Know About Measles When Traveling