What The Study Did: Using administrative healthcare data on 2.9 million households, this study suggests that events that lead to small and informal social gatherings, such as birthdays, and in particular, children’s birthdays, are a potentially important source in SARS-CoV-2 transmission.
Authors: Anupam B. Jena, M.D., Ph.D., of Harvard Medical School in Boston, is the corresponding author.
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