The vaccines [for Japanese encephalitis] are relatively safe.[2] Pain and redness may occur at the site of injection.[2] As of 2015, 15 different vaccines are available:[2] some are based on recombinant DNA techniques, others weakened virus, and others inactivated virus.[2]
So if there are 15 for that, how many will there be for Corona? And how to choose. Blue because it goes with my eyes.