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U.S. health officials are bracing for the possibility that mpox could surge again this summer as cases mount in several states.

On Thursday, the U.S. Centers for Disease Control and Prevention reported 21 more cases of mpox, with Illinois, New York and Maryland reporting the most new infections. Illi...

Researchers have developed a definition and symptom checklist for long COVID, based on initial findings from a study of nearly 10,000 Americans.

The study identified a set of 12 long-term symptoms that can occur following infection with COVID-19. These symptoms — ranging from "brain fog" to chest pain — are linked to the effects of the coronavirus on multiple organ systems.

Usin...

Some HIV patients are naturally able to keep the virus fully in check without any medicinal help, a phenomenon that has intrigued scientists for decades.

New research appears to identify at least one reason why: an abnormally powerful version of an infection-fighting white blood cell called CD8+ T cell.

CD8+ T cell’s are a type of T cell, a normal feature in everyone’s immu...

Most cases of mpox are spread from skin-to-skin contact, but it is possible to catch the virus by touching a contaminated surface in a house or a hospital room, according to a new study.

Researchers studying this found temperature made a difference. The virus could survive at room temperature on a surface for up to 11 days. At 4 degrees Celsius (39 degrees Fahrenheit), it could survive f...

It's been known for years that Epstein-Barr virus can trigger multiple sclerosis or drive progression of the degenerative disease, and Swedish researchers think they now understand why.

Some people have antibodies against the common Epstein-Barr virus that mistakenly attack a protein found in the brain and spinal cord, researchers at the Karolinska Institute in Sweden say.

Antibodie...

While the official COVID-19 public health emergency has ended, the virus hasn't disappeared.

Some of the special programs put in place during the pandemic have ended, however, and the University of Michigan offers a guide to help Americans understand what's changed and what hasn't.

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What hasn't changed is that the virus continues to cause serious...

Severely obese people may need more frequent COVID-19 booster shots to keep their immunity going, new research suggests.

Protection from the shots declines more rapidly in those who are severely obese compared to those at a normal weight, according to scientists at the Universities of Cambridge and Edinburgh in the United Kingdom.

"Because of the high prevalence of obesity across ...

Cats who became infected with COVID-19 had the same variants as their owners throughout the different phases of the pandemic, new research finds.

Scientists looked at retrospective samples to assess COVID-19 infections in U.K. cats from April 2020 to February 2022. The cats had been infected with the Alpha and Delta variants following their emergence in the human population.

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While the mpox outbreak has been waning since last summer, it hasn't disappeared yet.

Howard Brown Health, a LGBTQ-focused health clinic in Chicago, recently reported seeing an increase in mpox (formerly known as monkeypox) cases, with eight diagnosed since April 17, compared to only one in the previous three months.

Last week's case count was the highest in Chicago since early No...

More than three years after the coronavirus began ravaging the planet, the World Health Organization (WHO) announced Friday that the pandemic is no longer a public emergency.

“It's with great hope that I declare COVID-19 over as a global health emergency,” WHO Director-General Tedros Adhanom Ghebreyesus said ...

In trying to untangle the mysteries of long COVID, researchers have found anxiety and depression may play a role for some of those with the lingering condition.

In the study from researchers at University of California, Los Angeles (UCLA), patients who perceived that they had thinking difficulties during COVID infection were also more likely to have lingering physical symptoms than those...

The first vaccine for respiratory syncytial virus (RSV) has been approved by the U.S. Food and Drug Administration for use in seniors aged 60 and older.

Arexvy, manufactured by GlaxoSmithKline (GSK), is expected to help prevent lower respiratory tract infections caused by RSV, the agency said Wednesday.

“Older adults, in particular those with underlying health conditions, such as ...

Half of the cells in your body aren't human — and a new study suggests that many critical to your health oscillate by the hour, day and even the season.

The human body contains about 40 trillion bacteria, viruses and fungi, creating a microbiome that roughly matches the number of human cells one-to-one, said researcher

For the first time since the mpox outbreak began last spring, no new cases have been reported in more than a week, fresh government data shows.

At the peak of the outbreak, there were 500 new infections reported daily, but by late last year that number was 16, CDC statistics show.

During the pandemic, nearly 100,000 U.S. registered nurses called it quits, a new survey shows.

Why? A combination of stress, burnout and retirements created a perfect storm for the exodus.

Even worse, another 610,000 registered nurses (RNs) said they had an “intent to leave” the workforce by 2027, citing those same reasons. And an additional 189,000 RNs younger than 40 reported...

In the early days of the mpox virus outbreak in the United States, vaccines got to the states that needed them but distribution was unequal across racial groups, new research reveals.

Black and Hispanic patients had to travel significantly farther for doses than white people, according to researchers at Yale School of Medicine, in New Haven, Conn.

“The correlation between vaccine...

Two ongoing outbreaks of Marburg virus in Africa prompted U.S. health officials to issue an alert on Thursday for doctors to be on the lookout for any cases that might surface in the coming weeks.

The virus causes a deadly hemorrhagic disease that is similar to Ebola. The U.S. Centers for Dise...

For what they say is the first time, British researchers report that they have found the spread of COVID-19 in households is linked to the presence of the virus on hands and surfaces, not just in the air.

The investigators collected data from households at the height of the pandemic, finding that people were much more likely to get COVID-19 from someone in their house if virus was present...

Monoclonal antibodies have been an effective tool in the battle against COVID-19, reducing the risk of hospitalization or death by 39% for people who started the treatment within two days of a positive test, a new study finds.

These treatments were even more effective for immunocompromised people, regardless of age, according to the University of Pittsburgh re...

U.S. public health officials want high-risk individuals who haven't been vaccinated for mpox — previously called monkeypox — to do so before a potential resurgence of the virus in the coming months.

That surge could be worse than last year, federal modeling has found, but only about 23% of those at high risk for the virus have received vaccines, according to a report released Thursda...

New research has provided answers to a mystery involving an outbreak of severe hepatitis in children last year.

A total of about 1,000 cases emerged around the world in spring 2022, after the easing of COVID-19 lockdowns.

Children in about 35 countries, including the United States, experienced severe hepatitis that caused 50 kids to need liver transplants and 22 children to die, a...

New advice from the World Health Organization (WHO) says healthy children and teens may not need additional COVID-19 shots, though they may need to catch up on other routine vaccines.

“The public health impact of vaccinating healthy children and adolescents is comparatively much lower than the established benefits of traditional essential vaccines for children -- such as the rotavirus, ...

Researchers are closing in on another immune system “hideout” that HIV uses to persist in the human body for years.

A subset of white blood cells called myeloid cells can harbor HIV in people who've been virally suppressed for years, according to a new small-scale study funded by the U.S. National Institutes of Health (NIH).

The researchers showed that HIV in specific myeloid ce...

Boys born to women who had COVID-19 during pregnancy may be at risk for developmental delays, a new study suggests.

Delays in speech and motor function were the most commonly diagnosed conditions in these children at 12 months. They were seen in boys but not in girls, the study authors said.

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