1 year into COVID: What we wish we’d known
4 takeaways we wish we’d known from day 1
Frank McGeorge, MD, Local 4 s Good Health Medical Expert
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From the start, health experts believed the SARS-CoV-2 virus would act similar to the previous coronaviruses that caused SARS and MERS.
Experts estimate that about half of all COVID cases are spread by people who are asymptomatic or presymptomatic.
At first, masks were only recommended for those who were sick, but numerous studies have now shown that well-fitting fabric masks can effectively prevent spread if we all wear them. That could have made a massive difference in the early days of the pandemic.