Does the Covid-19 virus care how people behave? The CDC’s latest guidance on isolation and quarantine periods act like it does. In an appearance on CNN, CDC Director Rachelle Walensky said that her agency reduced the recommended quarantine time for those infected with Covid in part due to human behavior. “It really had a lot to do with what we thought people would be able to tolerate,” Walensky told fill-in host Kaitlin Collins. “And so we really want to make sure that we had guidance in this moment — where we were going to have a lot of disease — that could be adhered to, that people were willing to adhere to and that spoke specifically to when people were maximally infectious.” President Biden’s top medical adviser, Dr.
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