While the number of people testing positive for COVID-19 has seen a slight decline, public health officials fear the new omicron variant could change that.
Moderna s vaccine offers better protection against COVID-19 hospitalization than Pfizer or J&J, new CDC study finds businessinsider.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from businessinsider.com.au Daily Mail and Mail on Sunday newspapers.