PETALING JAYA: The nation’s Covid-19 infectivity rate will keep rising due to increasing active clusters and sporadic cases in the community unless people are vaccinated quickly and widely, say health experts.Universiti Putra Malaysia medical epidemiologist Assoc Prof Dr Malina Osman said the rise in the infectivity rate, or the R-naught (R0) value, was expected as there were about 850 active clusters nationwide as of Monday.
She said active clusters had been increasing since April 4, when 359 were recorded. On May 5, the number of active clusters rose to 411 and on June 6, it climbed to 713.