Omicron COVID-19 variant linked with high risk of reinfection, claims study
The team of researchers in South Africa noted that, in contrast, there is no population-wide epidemiological evidence of immune escape associated with the Beta or Delta variants.
Dec 06, 2021, 12:55 PM ISTIndia's first COVID-19 patient has tested positive for coronavirus, again
"She is reinfected with COVID-19. Her RT-PCR is positive, antigen is negative. She is asymptomatic," Thrissur DMO Dr K J Reena has told a news agency. On January 30, 2020, the third year medical student from Wuhan university, had tested positive for coronavirus, becoming the country's first COVID-19 patient
Jul 13, 2021, 13:57 PM ISTYou may not get Zika virus disease twice, says study
The research shows that Zika infection provides excellent protection against reinfection.
Oct 14, 2016, 16:11 PM IST