May 7, 2021 Share As India sets new daily records in COVID-19 deaths and infections, some experts see the humanitarian crisis as an opportunity for other nations to counter China’s vaccine diplomacy elsewhere. Three of the nations that make up the Quad — U.S., Australia and Japan — are expected to assist the fourth, India, after U.S. President Joe Biden promised April 26 to provide New Delhi with the antiviral drug remdesivir, which is used in treating COVID-19, as well as with parts needed in machines that produce vaccines. India has its own vaccine production capacity and is a center of vaccine manufacturing.