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HEROS: Various results on infections
#1
An NIH study has a set of results.

  • Obesity and high BMI increase risk of getting SARS-CoV-2  (as well as increased risk of a severe case for obese individuals).
  • Asthma, eczema, and allergic rhinitis did not affect the risk of getting SARS-CoV-2.
  • Having self-reported, physician-diagnosed food allergies is associated with a 50% decreased risk of getting SARS-CoV-2


Quote:children ages 12 years or younger are just as likely to become infected with the virus as teenagers and adults, but 75% of infections in children are asymptomatic. In addition, the study confirmed that SARS-CoV-2 transmission within households with children is high.
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This surveillance took place in 12 U.S. cities between May 2020 and February 2021, before the widespread rollout of COVID-19 vaccines among non-healthcare workers in the United States and before the widespread emergence of variants of concern.
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The HEROS researchers found that children, teenagers and adults in the study all had around a 14% chance of SARS-CoV-2 infection during the six-month surveillance period.  Infections were asymptomatic in 75% of children, 59% of teenagers and 38% of adults. In 58% of participating households where one person became infected, SARS-CoV-2 was transmitted to multiple household members.
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The viral load range among infected children was comparable to that of teenagers and adults.
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The HEROS investigators concluded that young children may be very efficient SARS-CoV-2 transmitters within the household due to their high rate of asymptomatic infection, their potentially high viral loads, and their close physical interactions with family members.


I wonder if they tracked who brought the first infection into households, and correlated that with outside conditions:  Work at home or not; in school/daycare or not; in other outside activities (sports, etc) or not.
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