US health authorities change isolation guidelines
The United States' Centers for Disease Control is recommending cutting isolation times for Americans who test positive for COVID-19. It is calling for a reduction from 10 days to five days for people who do not have symptoms and also wants to shorten the time close contacts need to quarantine. Health officials say the guidance is supported by growing evidence that COVID positive people are most infectious in the two days before and the three days after symptoms develop.
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