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https://twitter.com/jeffschweers/status/1349425819375063042There could be combos that would render the vaccine ineffective, Swamy said, but nobody has seen that happen yet. Manufacturers can quickly alter the mRNA vaccine if necessary to combat any new mutations.
https://twitter.com/jeffschweers/status/1349425819375063042Individuals 65 and up and with underlying medical conditions who are at higher risk were included in COVID vaccine studies, Swamy said. That's not usual, because most trials seek healthy individuals. But we didn't have the luxury of time, she said.
https://twitter.com/jeffschweers/status/1349423494140993537Individuals should wait until they are no longer symptomatic for COVID before getting vaccine. If you have no symptoms and met all criteria, you are not going to be infectious to other people.
https://twitter.com/jeffschweers/status/1349419263115853825Even then, when we see symptoms, they occur within first 48 hours. At Duke, if any symptoms persist after 48 hours to contact vaccine provider or primary care provider. headaches, fatigue, feverishness, body aches, joint pains are common. Most common is soreness at site of shot.
https://twitter.com/jeffschweers/status/1349419263115853825Spearman said CDC has answers to many questions. You don't want to mix Pfizer and Moderna doses between first and second shot. Probably OK, but not studied in trials. If you start with Pfizer, follow up with Pfizer.