Health authorities are now keeping a close eye on the development of five confirmed infections of the Covid-19 sub-variant BA.2.75, known to be antibody resistant. The director-general of the Department of Medical Sciences outlined all the cases and warned that the sub-variant could spread quickly if not properly monitored. “Officials are monitoring the development of the … [Read more...] about Thailand has 5 BA.2.75 antibody-resistant Covid-19 sub-variant