History of smallpox In the late 1770s, during the American Revolutionary War, smallpox returned once more and killed thousands. Peter Kalm in his "Travels in North America", described how in that period, the dying Indian villages became overrun with wolves feasting on the corpses and weakened survivors. Smallpox was also used as a weapon by the British. In 1799, the physician Valentine Seaman administered the first smallpox vaccine in the United States. He gave his children a smallpox vaccination using a serum acquired from Edward Jenner, the British physician who invented the vaccine from fluid taken from cowpox lesions. Though vaccines were misunderstood
Vaccination schedule shot, can be given before or during pregnancy, depending on whether or not it is flu season. Vacinnation is safe right after giving birth, even while breastfeeding. In 1900, the smallpox vaccine was the only one administered to children. By the early 1950s, children routinely received three vaccines, for protection against diphtheria, pertussis, tetanus and smallpox, and as many as five shots by two years of age. Since the mid-1980s, many vaccines have been added to the schedule. In 2009 the US Centers for Disease Control and Prevention (CDC) recommended vaccination against at least fourteen diseases. By two years of