Tiny airborne particles may pose a big coronavirus problem— US colleges struggle to salvage semester amid outbreaks— Social media and COVID shaming: Fighting a toxic combination— London police have clashed with demonstrators as they broke up a protest in Trafalgar Square against COVID-19 restrictions amid rising tensions over increased limits on everyday life as the government tries to stem a sharp rise in infections. — More than 1,000 New Yorkers tested positive for COVID-19 in a single day, marking the first time since June 5 the state has seen a daily number that high.— Italy’s coronavirus “Patient No.