Vaccination: A health worker inoculates a woman with a dose of the coronavirus vaccine to be safe from Covid-19 , in Bhopal , Madhya Pradesh, India on May 27, 2021. The Ministry of Health and Family Welfare stated that making online appointments mandatory for inoculation for the 18-44 age group has so far prevented overcrowding at the vaccination centres. But walk-in registration has now been opened up for this age group in order to prevent vaccine wastage. Photo by Indian Photo Agency (InPA)