The Ministry of Health regularly monitors the effectiveness of the vaccine for coronavirus.
From the epidemiological analysis by public health services in the Ministry of Health, it is evident that since June 6th there was marked decline in the effectiveness of the vaccine in preventing infection (64%) and symptomatic illness (64%). This decline has been observed simultaneously with the spread of the Delta variant in Israel.
Nevertheless, the vaccine maintains an effectiveness rate of about 93% in preventing serious illness and hospitalization cases.