STAT April 18, 2024
In the chaotic first few months of the Covid-19 pandemic, stores faced shortages of all kinds — toilet paper, canned food, and especially, cleaning supplies. With everyone scrubbing their groceries, mail, even library books, good luck finding antibacterial wipes or disinfectant sprays back then. That’s because public health advice in early 2020 focused on sanitizing surfaces, not protecting against a virus that could be spread through the air.
Much of that guidance could be traced back to the World Health Organization, which stated early on, and unequivocally, that Covid-19 was not an airborne disease. Even as evidence grew that coronavirus-laced particles could linger in the air indoors and infect people nearby, and researchers raised the alarm about the risks this...
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