More cases of COVID-19 have been reported in the past four weeks than in the first six months of the pandemic, the UN health agency chief told journalists on Friday as he launched a new report on the threat posed by antimicrobial resistance.More cases of COVID-19 have been reported in the past four weeks than in the first six months of the pandemic, the UN health agency chief told journalists on Friday as he launched a new report on the threat posed by antimicrobial resistance.Read MoreUN News – Health