Discussion Board

 Vaccine controversies have occurred since almost 80 years before the terms vaccine and vaccination were introduced, and continue to this day. Despite scientific consensus that recommended vaccines are safe and effective, unsubstantiated scares regarding their safety still occur, resulting in outbreaks and deaths from vaccine-preventable diseases. Please provide your input regarding this subject. 

APA style, 300 words, 2 references not older tan 5 years.