For 10 years, Americans have had access to flu shots that protect against four strains of the virus: two A strains and two B strains. Starting this fall, however, all the flu shots distributed in the United States will contain only three strains, and the change happened in part because of Covid-19.
Soon Coronavirus will be so powerful it will cure cancer.
There is actually a promising cancer treatment that uses a genetically modified poliovirus strain, but it’s still in its trial phase.