The Covid-19 pandemic has entered its third year, with no end in sight, and the world is fed up to the gills. A new and even more highly transmissible variant, Omicron, has been scorching through holiday gatherings over the past couple of weeks. People who are thrice vaccinated are among the infected.
The CDC shortened its isolation recommendations from 10 days to five last week for people who have tested positive for Covid but show no symptoms. Fauci, President Joe Biden's chief medical adviser, said the agency is debating adding to its guidance.
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