Herd Immunity

Herd Immunity

An immunology textbook definition of herd immunity is “a phenomenon whereby those people in a population who have no protective immunity against a pathogen are largely protected from infection when majority of the population has protective immunity and are resistant...
Stop That Virus!

Stop That Virus!

Viruses cannot move.  They do not swim, crawl, wiggle, or fly.  In order to survive the virus must leave one human host and enter a new human host.  The viruses exit the human host in body excretions.  Blocking the virus from entering a new host will stop the virus...
Life of a Virus

Life of a Virus

This particle called a virus is inert outside of a cell. The virus particle can not move. It does not fly, swim, crawl, or exhibit movement of any kind. Yet, to survive it must transfer to a living body. To replicate and produce more virus particles it must enter a...