Covax has sealed deals to supply 110 million doses to low-income countries, 32.5 million of which are coming to Africa.
The garments are made from a fabric similar to the coating used on surfaces in viral research laboratories.
Africa has been in talks to get enough vaccines amidst frosty supply pledges from donors that left it stranded.
Nearly 3.9 billion doses of Covid-19 vaccines have been injected around the world in at least 216 territories.
India and South Africa proposed a temporary waiver of the WTO’s Agreement on Trade-Related Aspects of Intellectual Property Rights.