Deferential to custom but unbowed by her veil, ASHA worker Geeta Chaudry registers vaccine recipients at a vaccination clinic in Aakhtadi of Tonk District in Rajasthan on May 17, 2021. India's devastating wave of Covid-19 infections had gripped cities and overwhelmed urban health resources. But it also struck deep in rural India, where the extent of the devastation was unknown because of the lack of widespread testing or reliable data despite the best efforts by health workers.