Introduction Vaccines have been used for many decades around the world and have significantly reduced the prevalence of disease by preventing many infectious and contagious diseases such as polio and smallpox. In the present day, vaccine research and development continue to play a critical role in our current healthcare system and help to combat infectious diseases such as shingles, influenza, and COVID-19.
Regarding; ''If the virus mutates in a way that changes the antigen, this means the new mutated virus may not be recognized by the antibodies produced against the original version of the virus'' Natural Immunity will take care of that...I wouldn't worry about too much.
Regarding; ''If the virus mutates in a way that changes the antigen, this means the new mutated virus may not be recognized by the antibodies produced against the original version of the virus'' Natural Immunity will take care of that...I wouldn't worry about too much.