The Covid pandemic is not over yet and the next one could be even more lethal.
This is claimed by Professor Sarah Gilbert, who discovered the AstraZeneca vaccine against the coronavirus.
In a speech to be broadcast by the BBC, the researcher warns that "it will not be the last time a virus threatens" our lives and our world. "The truth, she said, is that the next one could be worse." It could be. more contagious or more lethal, or both, "he said.