Higher COVID-19 transmission tied to crowded householdsCOVID-19 transmission among households was three times more likely if the household had a high living density, according to a study yesterday in Clinical Infectious Diseases.
Higher living density is defined as having more than three household members but fewer than six rooms.The researchers looked at 100 COVID-19 index patients, all adults, and household contacts of all ages from April to October 2020 in North Carolina.
Participants were enrolled in the study a median of 6 days after the index patient's symptom onset or diagnosis. On days 7, 14, and 21 from symptom onset, the household submitted nasal swabs, and on day 28, they underwent a seroconversion test, although the researchers