MSNBC The Rachel Maddow Show December 30, 2021 02:10:00
Level of protection that you get from being boosted following vaccination versus following vaccination alone. >> i want to ask about being con contaje contagious and transmissibility. you say the science says the odds of being contagious after those five days are low. dr. walensky has given a few additional reasons. she said a couple of times today that a pcr test could give someone who had a covid positive result for up to 12 weeks. so is a pcr test not a good barometer either for transmissibility and isolation? how can people actually tell if they are contagious in the cycle of having covid?...
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