Vaccination has been cited as the most effective method of preventing the spread of infectious disease, and it has been credited with the eradication of such horrendous and potentially lethal illnesses as smallpox and polio. However, in recent years, growing numbers of parents...
Vaccination has been cited as the most effective method of preventing the spread of infectious disease, and it has been credited with the eradication of such horrendous and potentially lethal illnesses as smallpox and polio. However, in recent years, growing numbers of parents...