Is Covid-19 the "big one" about which Dr Robert Webster has been warning the world? You have repeatedly said it is not "if" but "when" a deadly pandemic such as the 1918 Spanish flu hits again. Like the 1918 Spanish influenza, the big one will cause a higher death rate. RNA vaccines, DNA vaccines and protein sub-unit vaccines are all under study. Passive immunisation with globulins prepared from recovered patients was about 50% effective for the 1918 Spanish influenza.
Source: Otago Daily Times March 31, 2020 20:26 UTC