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Updated COVID vaccines to be rolled out in the US in September

Infectious Diseases Vaccines

Updated COVID vaccines by Pfizer, Moderna and Novavax are expected to be rolled out in the US this coming September. The CDC recommends that “everyone aged 6 months and older should receive the updated 2024-2025 COVID-19 vaccine to protect against potentially serious health consequences from COVID-19 this fall and winter.” This advice also applies to Read more…

What is immune imprinting, and should the public be worried about it?

Biology/Immunity Infectious Diseases Vaccines

Q: What is immune imprinting, and should the public be worried about it? A: Don’t let statements about imprinting stop you from getting your annual vaccines for COVID and flu. Immune imprinting refers to the fact that our immune response to a vaccine (or infection) is affected by previous exposures to similar vaccines (or infections). Read more…

Does Paxlovid reduce the risk of long COVID?

Infectious Diseases Long COVID Treatments

Unfortunately, data is mixed on the usefulness of Paxlovid for the prevention of long COVID. We need more data, including clinical trials that are carefully designed, to evaluate whether or not there is a benefit. Long COVID, also known as post-acute sequelae of COVID-19, refers to lingering symptoms that emerge in some individuals following a SARS-CoV-2 infection. Read more…