German Covid super-spreader event driven by poor ventilation, study finds

Low-grade ventilation system at indoor carnival in Gangelt leading factor in outbreak among partygoers Airborne viruses recycled through a low-grade ventilation system likely created Germany's first super-spreader event of the Covid-19 pandemic, a CSI-style analysis of a carnival celebration has found. The event at the town hall of Gangelt, a municipality on the border with the Netherlands, was labelled "Germany's Wuhan" after it was found to be the driver of a major outbreak in the western stat...