About 56% of 137,109 Covid-19 cases from Sept 28-Oct 11 were fully vaccinated, but vaccines remain 89.7% effective against infection; Sinovac comprises 59% of breakthrough cases.
Although breakthrough cases are rising in Malaysia, slightly lower percentages of fully vaccinated people infected with Covid-19 were hospitalised (1.6%), compared with partially vaccinated or unvaccinated people at 2.2% from August 12-29.
A total of 20,684 breakthrough infections among partially or fully vaccinated people, 16% of 132,748 Covid-19 cases, were reported from July 26 to August 2; about 99% of the breakthrough cases were in Categories One to Three.