The relaxed approach to testing could speed the spread of COVID-19 in the community and slow down treatments, experts say.
The CDC’s newest testing guidelines posted Monday says people who have been in close contact with an infected person “do not necessarily need a test” if they have no symptoms.
Exceptions may be made for “vulnerable” people or if health care providers or local officials recommend testing.
According to the Times:
“Although researchers remain unsure how often asymptomatic people unwittingly transmit the coronavirus, studies have shown that the silently infected can carry the virus in high amounts. The evidence is more clear-cut for pre-symptomatic people, in whom virus levels tend to peak just before illness sets in — a period when these individuals might be mingling with their peers, seeding superspreader events. Notably, experts can’t distinguish asymptomatic people from those who are pre-symptomatic until symptoms do or don’t appear.”
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