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Transmission Dynamics by Age Group in COVID-19 Hotspot Counties — United States, April–September 2020
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October 16 2020
Source: MMWR Morb Mortal Wkly Rep. 69(41):1494-1496
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Alternative Title:MMWR Morb Mortal Wkly Rep
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Description:CDC works with other federal agencies to identify counties with increasing coronaVirus disease 2019 (COVID-19) incidence (hotspots) and offers support to state, tribal, local, and territorial health departments to limit the spread of SARS-CoV-2, the Virus that causes COVID-19 (1). Understanding whether increasing incidence in hotspot counties is predominantly occurring in specific age groups is important for identifying opportunities to prevent or reduce Transmission. The percentage of positive SARS-CoV-2 reverse transcription-polymerase chain reaction (RT-PCR) test results (percent positivity) is an important indicator of community Transmission.* CDC analyzed temporal Trends in percent positivity by age group in COVID-19 hotspot counties before and after their identification as hotspots. Among 767 hotspot counties identified during June and July 2020, early increases in the percent positivity among persons aged ≤24 years were followed by several weeks of increasing percent positivity in persons aged ≥25 years. Addressing Transmission among young adults is an urgent public health priority.
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Pubmed ID:33056949
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Pubmed Central ID:PMC7561089
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