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People may spread coronavirus 1-3 days before showing symptoms: CDC study

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More evidence is emerging that coronavirus infections are being spread by people who have no clear symptoms, complicating efforts to gain control of the pandemic.

A study conducted by researchers in Singapore and published by the U.S. Centers for Disease Control and Prevention Wednesday is the latest to estimate that around 10% of new coronavirus infections may be sparked by people who were infected with the virus but not experiencing symptoms.

In response to recent studies, the CDC changed how it was defining the risk of infection for Americans. The agency’s new guidance, also released Wednesday, targets people who have no symptoms but were exposed to persons with known or suspected infections.

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Philadelphia mandates: City to announce 'adjustments' to COVID-19 mitigation measures Wednesday
PHILADELPHIA - Philadelphia officials will announce changes to COVID-19 mitigation during their weekly coronavirus response briefing on Wednesday, according to Mayor Jim Kenney. The changes would come as health officials and Mayor Jim Kenney say case counts and positivity rates have continued to fall in Philadelphia. At the peak of the omicron surge, around Jan. 3, Philadelphia was reporting 38% positivity rates and approximately 2,600 daily cases. On Monday, the city reported a positivity rate of less than 3% and around 200 daily cases in recent weeks. "There will be some adjustments tomorrow," Kenney said Tuesday morning after attending a groundbreaking for a local playground. Philadelphia Mayor Jim Kenney said Tuesday that he believes masks have helped keep people safe during the pandemic.  When asked if the time had come for the city’s mask mandates to end, Kenney credited the wearing of masks as playing an important role in the drop in case counts. "It only happened because of this discipline," Kenney said point to his 76ers themed facemask. Senior Director of Operations for Pennsylvania Restaurant and Lodging Association Ben Fileccia told FOX 29 on Monday that he expected Philadelphia officials to make an announcement Wednesday about metrics they will use to determine appropriate mandates going forward.On Tuesday, Kenney revealed that the city would be announcing some ‘numbers and data points’ in reference to possibly easing some restrictions on Wednesday.
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