Households with recent birthdays were more likely to test positive with Covid in areas with high infection rates, according to an analysis of nearly 3m homes in the US.
The study, which emanates from health insurance claims data collected in the first 45 weeks of 2020 across the country, was designed to assess the potential risk of small gatherings on the spread of Covid-19.
The authors honed in on birthdays as it was one of the key bits of information that can be gleaned from insurance claim data, and because it is an event where people could potentially break with Covid policies about meeting other people indoors, suggested the study’s author
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