How Long Do Flu Vaccine Antibodies Last?

Vaccines are notorious for needing repeated doses and the flu vaccine may be the most notorious.  There are many reasons for needing repeat doses.  The childhood vaccines require a series of injections to stimulate enough response for protection throughout childhood. Even then, the tetanus vaccine wears off years later.  Of course, even a natural infection…

Mutant SARS CoV 2 Viruses Are Not Gaining Superpowers

Science fiction thrillers fill our nightmares with deadly viruses mutating to the point of human annihilation.  While possible, this scenario is highly unlikely and research indicates that SARS CoV-21 does not appear to be gaining transmissibility super powers either.  Researchers from the University College of London Genetics Institute evaluated  over 40,000 strains of the virus…