If it was better hygiene and sanitation and not vaccines that controlled disease, then why do we still have so many infectious diseases?
As most folks know, neither the DPT nor OPV vaccines are used in the United States. That they are still used in other countries likely raises some questions for those folks that get them. Why Are the DPT and OPV Vaccines Still Used in Some Countries? As I am sure you have guessed, there is …
How did a fake news story about a multi-state outbreak of measles spread so quickly?
Vaccines work well and have helped control, eliminate, and in the case of smallpox, eradicate diseases.