Scientists now say herd immunity impossible against Covid-19 due to Delta variant
Singapore — The once touted ‘herd immunity’ against Covid-19 may never happen, scientists now say,…
Singapore — The once touted ‘herd immunity’ against Covid-19 may never happen, scientists now say,…
Singapore – Health authorities have announced that people will likely need a third dose of…
India -- Britain on Monday sent out a public appeal to locate the mystery individual…
SINGAPORE — Experts at the National Centre for Infectious Diseases (NCID) announced that all COVID-19 patients who have…