December 14th – Nearly one in five COVID-19s spread the virus to other members of the household, according to an analysis released Monday by JAMA Network Open.
According to the data, the household infection rate of people with symptoms of infection was significantly higher, less than 1%, at 18% compared to asymptomatic or asymptomatic people.
According to researchers at the University of Florida and the University of Washington, spouses make up 38% of people infected with the virus after home exposure.
“The results of this study suggest that households are and will continue to be an important place for infection, even when community infections are declining,” they wrote.
Researchers analyzed data from 54 studies of domestic COVID-19 infections in several countries, including the United States, China, Italy, Brazil, and Spain, which suffered the most pandemics.
The study included had 77,758 participants, of whom 10,426 were infected with the new coronavirus.
The 17% household prevalence that researchers found about the virus is higher than 8% for SARS and 5% for Middle East Respiratory Syndrome (MERS), both of which are coronaviruses.
In the case of COVID-19, 28% of adult household contacts were infected, compared to just under 17% of child household contacts.
The secondary infection rate was 42%, which was higher in households with one close contact than in households with three or more close contacts, at 23%.
“The home is a favorable environment for infection,” the researchers write.
“They are known as 3C environments because they are closed spaces where families can be crowded and in close contact with conversations,” they said.
One in five people in COVID-19 pass it on to others in the home, data show
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