FILE- In this Jan. 21, 2021, file photo, employees pack boxes containing vials of Covishield, a version of the AstraZeneca vaccine at the Serum Institute of India in Pune, India. India, the world’s largest maker of vaccines, was expected to play a pivotal role in global efforts to immunize against COVID-19. But its own capacity is proving to be insufficient for its own massive needs amid a ferocious surge of new infections. In past weeks, many people wanting to get vaccines have been turned away. Experts say that this is due to bad planning. (AP Photo/Rafiq Maqbool, File)

FILE- In this Jan. 16, 2021, file photo, a health worker is administered COVID-19 vaccine at a hospital in Kolkata, India.India, the world’s largest maker of vaccines, was expected to play a pivotal role in global efforts to immunize against COVID-19. But its own capacity is proving to be insufficient for its own massive needs amid a ferocious surge of new infections. In past weeks, many people wanting to get vaccines have been turned away. Experts say that this is due to bad planning. (AP Photo/Bikas Das, File)

FILE- In this April 8, 2021, file photo, a note informing about the non-availability of COVID-19 vaccine is seen pasted on a wall of a vaccination centre in Mumbai, India. India, the world’s largest maker of vaccines, was expected to play a pivotal role in global efforts to immunize against COVID-19. But its own capacity is proving to be insufficient for its own massive needs amid a ferocious surge of new infections. In past weeks, many people wanting to get vaccines have been turned away. Experts say that this is due to bad planning. (AP Photo/Rafiq Maqbool, File)

FILE- In this May. 3, 2021, file photo, a woman who was turned back following shortage of COVID-19 vaccine argues with a doctor at a vaccination center in Mumbai, India. India, the world’s largest maker of vaccines, was expected to play a pivotal role in global efforts to immunize against COVID-19. But its own capacity is proving to be insufficient for its own massive needs amid a ferocious surge of new infections. In past weeks, many people wanting to get vaccines have been turned away. Experts say that this is due to bad planning. (AP Photo/Rafiq Maqbool, File)

FILE- In this April 26, 2021, file photo, Indians queue up to get vaccinated against the COVID-19 in Mumbai, India. India, the world’s largest maker of vaccines, was expected to play a pivotal role in global efforts to immunize against COVID-19. But its own capacity is proving to be insufficient for its own massive needs amid a ferocious surge of new infections. In past weeks, many people wanting to get vaccines have been turned away. Experts say that this is due to bad planning. (AP Photo/Rafiq Maqbool, File)

FILE- In this Jan. 21, 2021, file photo, vials of Covishield, a version of the AstraZeneca vaccine, are seen on a filling machine at the Serum Institute of India in Pune, India. India, the world’s largest maker of vaccines, was expected to play a pivotal role in global efforts to immunize against COVID-19. But its own capacity is proving to be insufficient for its own massive needs amid a ferocious surge of new infections. In past weeks, many people wanting to get vaccines have been turned away. Experts say that this is due to bad planning. (AP Photo/Rafiq Maqbool, File)

FILE- In this May 5, 2021, file photo, Indian youth wait to get vaccinated against the coronavirus at Radha Soami Satsang Ground in New Delhi, India. India, the world’s largest maker of vaccines, was expected to play a pivotal role in global efforts to immunize against COVID-19. But its own capacity is proving to be insufficient for its own massive needs amid a ferocious surge of new infections. In past weeks, many people wanting to get vaccines have been turned away. Experts say that this is due to bad planning. (AP Photo/Ishant Chauhan, File)