New Delhi: A health worker collects blood sample of a Delhi civil defence personnel for the serological survey at a school, during unlock 3.0, in New Delhi, Thursday, Aug 6, 2020. (PTI Photo/Manvender Vashist)(PTI06-08-2020_000103B)
New Delhi: Vials containing blood samples of people for serological survey, at a school in New Delhi, Thursday, Aug 6, 2020. (PTI Photo/Manvender Vashist)(PTI06-08-2020_000107B)
New Delhi: A health worker handles a vial containing blood sample of a person for serological survey, at a school in New Delhi, Thursday, Aug 6, 2020. (PTI Photo/Manvender Vashist)(PTI06-08-2020_000108B)
New Delhi: A health worker handles a vial containing blood sample of a person for serological survey, at a school in New Delhi, Thursday, Aug 6, 2020. (PTI Photo/Manvender Vashist)(PTI06-08-2020_000109B)
New Delhi: A health worker collects blood samples from a person for serological survey, at a school in New Delhi, Thursday, Aug 6, 2020. (PTI Photo/Manvender Vashist)(PTI06-08-2020_000110B)
