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No attendees at an indoor concert that employed rapid COVID-19 lateral-flow screening, N95 respirators, and a well-ventilated venue tested positive for COVID-19 in the next 8 days, showing no increased virus transmission risk associated with the event, according to preliminary findings from a randomized, controlled trial published yesterday in
The Lancet Infectious Diseases.
A team led by researchers from the Germans Trias i Pujol University Hospital (GTPUH) in Barcelona, Spain, compared the coronavirus infection rate in 465 concert-goers aged 18 to 59 who were screened for COVID-19 and fever before entry and wore an N95 respirator throughout the event with 495 participants who were screened and then asked to go home. No concert-goers or 58 staff members tested positive 8 days after the event, compared with 2 in the control group.