Health Ministry Khairy Jamaluddin has urged Malaysians to remain vigilant as the Covid-19 national infectivity rate climbed to the highest level since August.

Khairy shared on Twitter a chart showing that the Covid-19 R-naught value, or the infectivity rate, is now 1.04.

"National Rt is 1.04. Keep your masks on. Avoid crowded places. Senior citizens, especially, should get...