India's infection and death rates are growing exponentially, overwhelming hospitals, in contrast to some wealthier Western nations that are starting to ease restrictions.
The first emergency medical supplies trickled into Covid-stricken India on Tuesday as part of a global campaign to staunch a catastrophic wave in the latest pandemic hotspot.
The virus has now killed over 3.1 million people worldwide, with India driving the latest surge in global case numbers, recording more than 2,800 deaths on Monday.
The United States would send up to 60 million doses of the AstraZeneca Covid-19 vaccine abroad. The offer came with Washington under pressure to lift restrictions on exporting vaccine and vaccine supplies.
Germany and Canada have promised support, while France said Monday it will send eight oxygen production units as well as oxygen containers and respirators to India.
The World Health Organization chief described the situation in India as "beyond heartbreaking".