WASHINGTON, United States (AFP) — The US on Tuesday announced it was providing $1.6 billion in funding for the development and manufacture of a COVID-19 vaccine candidate produced by biotech firm Novavax, the largest amount awarded under Operation Warp Speed. Separately, the US also said it was providing $450 million to Regeneron for its experimental COVID-19 treatment and prophylaxis, a combination of two antibodies. Under the terms of its agreement with the Department of Health […]