We need to know why the omicron BA.5 wave is ebbing
Scientists are starting to figure out why infection rates rise and fall. But a collapse in COVID-19 testing will make it much harder to predict the next surge.
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Scientists are starting to figure out why infection rates rise and fall. But a collapse in COVID-19 testing will make it much harder to predict the next surge.
The guidelines for what to do if you test positive for COVID or were exposed to someone who has are shifting. The Centers for Disease Control and Prevention...
A new study finds that protection against COVID infection in teens starts waning about 27 days after receiving the second dose of the Pfizer vaccine.
A reader who took Paxlovid to fight their COVID symptoms wonders if that resulted in a lower post-infection immunity boost. Here’s what experts say.
As COVID continues to evolve, do you still need to quarantine or are the quarantine or isolation guidelines changing? Chicago's top doctor said changes could...