AP Explains: Why India cases are rising to multiple peaks

In just three weeks, India went from the world’s sixth to the third-worst hit country by the coronavirus pandemic, according to a tally by Johns Hopkins University. India's fragile health system was bolstered during a stringent monthslong lockdown but could still be overwhelmed by an exponential rise in infections. India has tallied 793,802 infections and more than 21,600 deaths, with cases doubling every three weeks.