Scientists Assess The Risk Of Spreading COVID-19 At Home And Among Family Members

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Scientists Assess The Risk Of Spreading COVID-19 At Home And Among Family Members
Scientists Assess The Risk Of Spreading COVID-19 At Home And Among Family Members

Video: Scientists Assess The Risk Of Spreading COVID-19 At Home And Among Family Members

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Video: COVID-19: Assessing risk of various activities 2023, February
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Scientists assess the risk of spreading COVID-19 at home and among family members

Elderly people are infected from loved ones much more often than young people. Scientists emphasize that those infected become contagious before symptoms appear.

Scientists assess the risk of spreading COVID-19 at home and among family members
Scientists assess the risk of spreading COVID-19 at home and among family members

Photo: Techi / Rawpixel

Scientists analyzed how COVID-19 spreads among family members of the patient or residents of the same apartment. New research is published in The Lancet Infectious Diseases.

The analysis was based on data on the observation of 349 patients with COVID-19 and 1964 by their close contacts: living with them in the same apartment and relatives.

Those infected with SARS-CoV-2 in this study rarely transmitted the virus to people outside their home and non-family members. The probability of this was only 2.4%. At the same time, the risk of infection among those living together was 17.1%, and among relatives - 12.4%.

The risk of infection was highest in people aged 60 years and older: about living together with an infected person, they fell ill in 28% of cases, and the risk of getting infected from relatives was 18.4%. For young people (20 years old and younger), these risks were 6.4% and 5.2%, respectively.

“Our analysis suggests that people with COVID-19 become infectious before symptoms appear, which could make the current pandemic much more difficult to fight. Active case detection and isolation, combined with versatile contact tracing, may be key to preventing the spread of infection during the incubation period,”said Dr. Yang Yang of the University of Florida, co-author of the study.

Scientists point out that isolating people who have been in contact with sick people can play an important role in preventing the asymptomatic spread of infection.

The average number of people infected by one infected person in this study was 0.5. That is, for every two primary infected, there was one infected with them. But if the contacts of sick people were not traced and timely isolation was not carried out, this indicator tended to increase.

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