Khairy: Waning effect of Covid-19 vaccine likely cause of high infections in Sarawak

Published on 9 Sep 2021 9:18:54 PM

The Health Ministry has not ruled out that the waning effect of vaccines over time may be the reason for Sarawak’s recent high Covid-19 numbers.

Health Minister Khairy Jamaluddin said the ministry is also studying if it needs to implement booster shots to counter the situation.

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