Smallpox one-third of the cases resulted in blindness. These deaths included those of four reigning monarchs and a queen consort. In the 20th century smallpox killed 200-300 million people. Edward Jenner discovered in 1798 that vaccination could prevent smallpox. In 1967, the WHO intensified efforts to eliminate the disease. Smallpox is one of two infectious diseases to have been eradicated, the other being rinderpest in 2011. The term "smallpox" was first used in Britain in the 15th century to distinguish the disease from syphilis, which was then known as the "great pox". Other historical names for the disease include pox, speckled
1947 New York City smallpox outbreak Red Cross, the City Health Department, off-duty police and firefighters, and the disbanded, but vast, World War II Air Raid Warden networks located in all of New York's coastal towns, went door-to-door to urge residents to get vaccinated. A radio and print ad campaign called, "Be sure, be safe, get vaccinated!" advertised the vaccination clinic locations and emphasized that vaccination was free. Within days, long lines formed outside the clinics. More than 600,000 New Yorkers were vaccinated in the first week. The vaccination clinics began closing April 26, with the last closing May 3, 1947. Twelve cases of smallpox were