The National Institute of Public Health (SZU), the Institute of Hematology and Blood Transfusion (UHKT) and the Institute for Clinical and Experimental Medicine (IKEM) jointly started developing a vaccine against COVID-19, Czech Health Minister Adam Vojtech (for ANO) said on Monday. "The disease may develop in such a way that its second or third wave is ahead of us. It is better to be prepared for it," he told journalists.