FILE- A health worker takes a nasal swab sample of a woman to test for COVID-19 before she receives the vaccine in Gauhati, India, Friday, June 18, 2021. India on Tuesday, Sept. 6, 2022, cleared a new approach to COVID-19 vaccination, a nasal version designed to fight the virus right where it enters the body. The vaccine was developed by scientists at Washington University in St. Louis and later licensed to Indian vaccine maker Bharat Biotech. (AP Photo/Anupam Nath)