Viral Load of Severe Acute Respiratory Syndrome Coronavirus 2 in Adults During the First and Second Wave of Coronavirus Disease 2019 Pandemic in Houston, Texas: The Potential of the Superspreader
In the coronavirus disease 2019 pandemic, a minority of index cases are associated with a majority of secondary cases suggesting that superspreaders could drive the pandemic. Of the 11 564 samples tested, 1319 (11.4%) were positive for SARS-CoV-2.