NEW DELHI, INDIA - APRIL 20: A man wearing PPE (Personal Protection Equipment) performs the last rites to his relative who died of the Covid-19 coronavirus disease at a crematorium on April 20, 2021 in New Delhi, India. Covid-19 cases are spiralling out of control in India, with daily infections approaching 300,000, according to health ministry data, bringing the nationwide tally of infections to almost 14 million. The latest wave has already overwhelmed hospitals and crematoriums. (Photo by Anindito Mukherjee/Getty Images)
NASHIK, INDIA - APRIL 21: Indian Hospital staff fix the leakage in their oxygen plant after a leakage in the oxygen plant killed 22 Covid-19 patients in Nashik, India on April 21, 2021. A local administrator in western India says 22 Covid-19 patients have died in a hospital when their oxygen supply was interrupted by a leakage in a supply tank. The official says the oxygen supply has since been resumed to other patients. (Photo by Vinod Singh/Anadolu Agency via Getty Images)
NEW DELHI, INDIA - APRIL 21: Medics attend to COVID-19 patients at Shehnai Banquet Hall, temporarily converted into an isolation ward, as coronavirus cases surge across the country in New Delhi, India on April 21, 2021. India logs world's highest number of coronavirus cases with more than 295,000 in the last 24 hours and over 2,000 fatalities. (Photo by Amarjeet Kumar Singh/Anadolu Agency via Getty Images)
GHAZIABAD, INDIA - APRIL 23 : Covid-19 patients get oxygen on the spot provided by Sikh Organization at Gurdwara in Indirapuram, Ghaziabad, Uttar Pradesh, India on April 23, 2021. India put oxygen tankers on special express trains as major hospitals in Delhi NCR to save COVID-19 patients who are struggling to breathe. (Photo by Imtiyaz Khan/Anadolu Agency via Getty Images)
MUMBAI, INDIA - APRIL 14: Migrant workers queue up to enter a railway station to leave the city ahead of a lockdown to slow the spread of Covid-19 on April 14, 2021 in Mumbai, India. The country reported a record 184,372 new coronavirus cases on Wednesday, according to health ministry data, bringing the nationwide tally of infections to 13.9 million. (Photo by Stringer/Getty Images)