Biden is pivoting from election campaign to a more pressing fight against the coronavirus pandemic— Cases are surging among nursing home residents and staff in states hard hit by the latest onslaught of COVID-19— British government tightened travel restrictions from Denmark, where outbreaks have been connected to mink farms— Trump’s election night party adds to scrutiny of White House virus cluster— Follow AP’s coronavirus pandemic coverage at http://apnews.com/VirusOutbreak and https://apnews.com/UnderstandingtheOutbreak___HERE’S WHAT ELSE IS HAPPENING:COLOMBO, Sri Lanka — Sri Lanka police will strictly enforce mask and social distancing requirements and punish violators starting Monday as other anti-virus measures are eased to reduce.