Global pharma major Pfizer is sending its medicines worth USD 70 million (over Rs 510 crore), from its distribution centres in the US, Europe and Asia, that have been identified as part of India's COVID-19 treatment protocol, the company's Chairman and CEO Albert Bourla said on Monday.

"We are deeply concerned by the critical COVID-19 situation in India, and our hearts go out to you, your loved ones and all the people of India," he said in a mail sent to Pfizer India employees that he has shared on his linked.in post.