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Puerto Rico’s COVID-19 positive rate jumps from 2% to over 30% in just two weeks

Just two weeks ago, Puerto Rico had a COVID-19 test positivity rate of 2% -- the lowest it had ever been, according to the island’s health department COVID-19 dashboard.

As of Monday, that rate (an indicator of community spread) jumped to 33%, an explosive increase that tracks with the emergence of the highly contagious omicron variant and has sparked concerns among the scientific community and health officials on the island.

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Wastewater samples reveal record levels of coronavirus across U.S.

With at-home Covid-19 tests in high demand and their efficacy in question, health departments from California to Massachusetts are turning to sewage samples to get a better idea of how much the coronavirus is spreading through communities and what might be in store for health care systems.

Experts say wastewater holds the key to better understanding the public health of cities and neighborhoods, especially in underserved areas that do not have equal access to care.

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CDC considering testing guidelines for the asymptomatic, Fauci says

The Centers for Disease Control and Prevention is considering adding testing requirements to its new isolation guidelines for asymptomatic Covid-19 patients, Dr. Anthony Fauci said Sunday.

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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