a vaccine
eons
vaccine
Because our bodies have evolved to defend ourselves from these pathogens. We have an "immune system".
Immunity.
Auto-immune
Diseases from Europe that the Spanish were immune to affected and weakened the natives.
fight against illnesses
When Aspergillus does cause disease, however, it usually occurs in those individuals with weakened immune systems
by a weakend immune system letting pathogens into the body.
The Immune System.
The molecules on pathogens that enable the immune system to distinguish one kind of pathogen from another are called antigens. Antibodies destroy pathogens by binding to the antigens on the pathogen.
Medical studies show that the anthrax vaccine was safe and effective, vaccines use a system of injecting dead or weakened pathogens of the virus it is curing, that way the individual's immune systems B cells learn how to produce antibodies for that disease.