immunity

COVID-19 immunity can stay from 5 months to a year: Study

Representative Image NEW DELHI: Rajesh Bhushan, Union Health Secretary, said that one of the many scientific studies under consideration of…

4 years ago

Immunity against COVID-19 driven by vaccines may exist temporarily: Study

Representative Image NEW DELHI: While researchers and scientists around the world are still trying to find a cure for COVID-19,…

4 years ago