We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune ...

Flu and Covid, including a new variant called BA.3.2, nicknamed “cicada,” are still circulating across the U.S. in 2026. How ...

Vaccine effectiveness was generally higher in younger children younger than 8 years, at 63% in the 2023-2024 season, than ...

The FDA is reviewing the first mRNA flu vaccine for adults 50 and older. Learn how this technology could lead to faster and ...

Antiviral use among kids hospitalized with influenza ranged between 48.3% and 56.8% before the pandemic, but declined to 38.1% in 2021-2022 and 46.1% in 2022-2023. Factors significantly associated ...

A new year might mean new viral threats. Old viruses are constantly evolving. A warming and increasingly populated planet puts humans in contact with more and different viruses. And increased mobility ...

Centivax, Inc., a clinical-stage biotechnology company engineering vaccines and therapies for durable, universal protection ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. Nothing is clear yet about the swine flu threat that emerged from Mexico last ...