Transmission Dynamics by Age Group in COVID-19 Hotspot Counties - United States, April-September 2020.
MMWR Morb Mortal Wkly Rep
; 69(41): 1494-1496, 2020 Oct 16.
Article
in English
| MEDLINE | ID: covidwho-874996
ABSTRACT
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.
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Pneumonia, Viral
/
Coronavirus Infections
Type of study:
Experimental Studies
/
Observational study
/
Randomized controlled trials
Limits:
Adolescent
/
Adult
/
Aged
/
Child
/
Child, preschool
/
Humans
/
Infant
/
Middle aged
/
Infant, Newborn
/
Young adult
Country/Region as subject:
North America
Language:
English
Journal:
MMWR Morb Mortal Wkly Rep
Year:
2020
Document Type:
Article
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