Sunday, May 29, 2022 | Last Update : 07:08 AM IST

COVID-19 variants

Nasal vaccine might help fight new COVID-19 variants: Study

The research has been published in the 'Science Immunology Journal'

11 Dec 2021 12:48 PM

Patralekha Chatterjee | The Greek alphabet is still roiling our lives

Omicron is the fifth such VOC, and the first since the Delta (B.1.617) variant which ravaged so many countries

02 Dec 2021 2:49 AM

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

19 Mar 2021 12:30 PM

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