chances for reinfection
Risk of reinfection from Omicron three times higher than any other variant: Study
National daily cases almost doubled on Wednesday, days after countries across the world halted flights to and from southern Africa
COVID-19 patients above 65 years of age more prone to reinfection, says study
During this second wave, 2 per cent tested positive among those 65 or older who had previously not had COVID-19
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