Nandini Kanwar, center, a nurse with the nonprofit Sangwari, takes a blood sample from 17-year-old Sahiba Taj Khan, left, who has from sickle cell disease, as hospital official Biswajoy Kumar Singh, right, checks another sample during their visit to a remote village to screen residents for sickle cell disease in Ambikapur district, Chhattisgarh state, India, Wednesday, March 22, 2023. Health inequities aren't unique to India, but the sheer scale of its population means that fragile systems are severely stretched. For the poor, this can have devastating consequences. (AP Photo/Rafiq Maqbool)