
Give your readers a comprehensive resource that will allow them to form intelligent opinions on a perennial, hot-button topic. Since the smallpox vaccine was invented in 1796, vaccination has played an essential role in eradicating a number of diseases, including polio, measles,...

Give your readers a comprehensive resource that will allow them to form intelligent opinions on a perennial, hot-button topic. Since the smallpox vaccine was invented in 1796, vaccination has played an essential role in eradicating a number of diseases, including polio, measles,...