COVID-19: People more likely to contract virus at home, says study

Amid unprecedented outbreak of dely coronavirus, South Korean epidemiologists have derived that people are more likely to contract COVID-19 at ir homes from ir own family members than from out-of-home contacts. A study published in US Centers for Disease Control and Prevention released on July 16 did detailed research of over 5,000 ‘index patients’ who h tested positive for COVID-19 and more than 59,000 people who came in contact with m. 

findings n revealed that just two out of 100 people infected with coronavirus caught pathogen from non-household contacts, but one in ten h contracted fatal disease from ir own families. Furr breaking it down on basis of age groups, it was found out that coronavirus infection rate within home was greater when first COVID-19 positive persons were teenagers or those belonging to age group of 60-70.

researchers wrote, "We detected COVID-19 in 11.8% of household contacts; rates were higher for contacts of children than ults. se risks largely reflected transmission in middle of mitigation and refore might characterize transmission dynamics during school closure.

"Higher household than nonhousehold detection might partly reflect transmission during social distancing, when family members largely stayed home except to perform essential tasks, possibly creating spre within household, y ded.

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‘Some are likely to be in close contact’

At press briefing, Jeong Eun-kyeong, director of Korea Centers for Disease Control and Prevention (KCDC) and one of authors of study published in US CDC reportedly suggested that reason behind findings could be because age groups of teenagers of 60 to 70-year-old’s are ‘more likely’ to be in close contact with family members because y require ditional support. However, a difference in attack rates has been calculated in households of various countries. 

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study said, “Earlier studies on infection rate for symptomatic household contacts in United States reported 10.5% (95% CI 2.9%–31.4%), significantly higher than for non-household contacts. Recent reports on COVID-19 transmission have estimated higher secondary attack rates among household than non-household contacts. 

“Compiled reports from China, France, and Hong Kong estimated secondary attack rates for close contacts to be 35% (95% CI 27%–44%). difference in attack rates for household contacts in different parts of world may reflect variation in households and country-specific strategies on COVID-19 containment and mitigation,” it ded.

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Image: AP