India Covid-19 cases rise by 50,040 amid concern about Delta variant

New variants are a particular concern in India, where more than half the population has not been vaccinated. Less than 6% of India's adult population of 950 million has received two doses.

India's daily Covid-19 infections rose by 50,040 on Sunday, official data showed, as concerns grew about the detection of the highly infectious Delta variant of the coronavirus in some states.