Reinfection

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 IST

India'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 IST

You 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