Mutations

What are the side effects of the new COVID vaccine? CDC votes to approve booster The CDC recommends the updated COVID-19 vaccine for everyone ages six months and older. Here's when you should get the shot, what side effects to expect, and more. TODAY

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The new vaccine is targeting subtypes of the omicron variant that not all of us have been exposed to yet ... so it’s not quite a booster. This is trying to give us immunity against a different version of the virus,” Dr. Priya Sampathkumar, infectious disease specialist at the Mayo Clinic, tells TODAY.com. ...

US CDC says existing antibodies can work against new COVID variant Early research data has shown that antibodies produced by prior infection or existing vaccines against the coronavirus were sufficient to protect against the new BA.2.86 variant, the U.S. Centers for Disease Control and Prevention (CDC) said on Friday. Reuters Reuters

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Study links blood clots to brain fog after Covid

A recent UK study suggests that blood clots in the brain or lungs may explain some of the common symptoms experienced by people with "long Covid", including brain fog and fatigue. The study, which included 1,837 people admitted to hospital due to Covid, found that two blood proteins, fibrinogen and D-dimer, were associated with cognitive problems. It is estimated that 16% of these patients experience difficulties with thinking, concentrating, or remembering for at least six months.

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