A meta-analysis found no significant link between vaccination exposure and rheumatoid arthritis risk, but short-term data ...

Five years after COVID-19 reached pandemic status, public health experts reflect on what we learned—and how those lessons can ...

A lethal new virus which kills humans has been developed by scientists as part of a US government project. The genetically modified variant of smallpox is so dangerous that, as yet, no vaccination ...

The United Nations Economic Commission for Africa said in April 2020 that up to 3.3 million Africans could lose their lives ...

For years, public-health authorities downplayed the risk that pathogens could spread via droplets light enough to circulate ...

In the fall of 2020, a 77-year-old man in Florida realized he had gotten one of the worst gifts imaginable—one that kept on giving. According to a case report published in this month's issue of ...

Influenza virus is an infectious agent belonging to the virus family Orthomyxoviridae that causes a respiratory tract infection (influenza or 'flu') in vertebrates. There are three main species ...

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Mar. 13, 2025 — Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection against H5N1, and children would benefit more from ...