Q&A: Why is flu so bad this year?
Flu levels are elevated and continuing to rise during the 2026 season, with Influenza A emerging as the dominant strain.
Jan 15, 2026
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Viruses: News and Research on Positive-Strand RNA Viruses
MeSH tree: B04.820.578
How to prevent and fight norovirus
Nearly half a million Americans visit the emergency room (ER) each year with a fast-spreading stomach bug called norovirus.
Jan 12, 2026
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SARS-CoV-2 is on the decline in animals, researchers find
During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human animal species. This included many wild animal species as well as domestic animals such as dogs and ...
Jan 9, 2026
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Viral outbreaks are always on the horizon. Here are the viruses an expert is watching in 2026
A new year might mean new viral threats.
Jan 7, 2026
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COVID-19 still claims more than 100,000 US lives each year
Centers for Disease Control and Prevention researchers report national estimates of 43.6 million COVID-19-associated illnesses and 101,300 deaths in the US during October 2022 to September 2023, plus 33.0 million illnesses ...
Costs pose hurdle for promising new hepatitis C lab test
A new rapid test for hepatitis C could help identify many more patients who could be cured of the deadly disease, but its use may be limited unless insurers' reimbursement rises to cover its high cost, according to researchers ...
Jan 2, 2026
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Q&A: The norovirus is surging; here are tips to dodge the 'stomach flu'
Norovirus is the country's leading cause of vomiting, diarrhea, and foodborne illness, and right on schedule, it's picking up steam again as the holidays arrive.
Dec 29, 2025
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Does being infected or vaccinated first influence COVID-19 immunity?
A new study analyzing the immune response to COVID-19 in a Catalan cohort of health workers sheds light on an important question: does it matter whether a person was first infected or first vaccinated?
Dec 23, 2025
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For community-treated hepatitis C patients, earlier cure confirmation shows promise
Millions of people in the U.S. and around the world are living with hepatitis C virus (HCV). But over the past decade, direct-acting antivirals (DAA) have proven effective against HCV, curing more than 95% of those who complete ...
Dec 22, 2025
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COVID-19 virus manipulates host cell RNA to shut down the immune system, study reveals
Researchers at the Federal University of São Paulo (UNIFESP) in Brazil have discovered that SARS-CoV-2, the virus that causes COVID-19, uses a sophisticated tactic to evade the human body's defense system. In addition to ...
Dec 17, 2025
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