Experts call for mass testing and vaccinate those tested negative

PETALING JAYA: Health experts believe undetected asymptomatic and unlinked cases could have contributed to the increasing number of Covid-19 cases, especially in the Klang Valley.

Universiti Putra Malaysia medical epidemiologist Assoc Prof Dr Malina Osman believed that for the past four weeks, some of the economic sectors which were allowed to open had contributed to the rising number of cases in Selangor.