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People aged 6 months and older who are moderately or severely immunocompromised and got COVID-19 vaccines before September 12, 2023, should get 1 or 2 doses of updated COVID-19 vaccine, depending on your age and the number of doses you got previously.
Nov 15, 2023 · Learn more about the COVID-19 variants, including the Omicron variant, and what that means for people’s health.
Jun 7, 2023 · The latest surge in COVID-19 cases in China is not surprising to researchers, who say that the country will see an infection cycle every six months now that all COVID-19 restrictions have been ...
FDA authorized for emergency use an updated Novavax COVID-19 Vaccine to better protect against currently circulating variants.
Aug 2, 2022 · Variety is the spice of life — except when it comes to viral infections like COVID-19, which is caused by the SARS-CoV-2 virus. The more that SARS-CoV-2 spreads, the greater the chance that its genetic material will change, or mutate, creating new variants or strains. The virus builds up mutations as it passes from person to person, possibly ...
The COVID-19 vaccines currently in use work by eliciting a broad immune response and so are expected to provide at least some protection against new virus variants. More research is needed to determine how effective vaccines will be against new variants that may arise, including Omicron. Variants are classified into different categories by the ...
May 20, 2021 · We spoke to Dr Richard Pebody, who leads the High-threat Pathogen team at WHO/Europe, to find out more about why the COVID-19 virus changes, what implications this has for public health, and what you as an individual can do to help and to stay safe.Why do viruses change?“First of all, I’d like to say that all viruses, including the COVID-19 virus, change over time as a natural phenomenon ...
