DPT vaccine the Netherlands, pertussis is known as "kinkhoest" and DKTP refers to a combination vaccine against diphtheria, kinkhoest, tetanus, and polio. The usual course of childhood immunization in the USA is five doses between 2 months and 15 years. For adults, Td boosters are recommended every 10 years. In the latter 20th century, vaccinations helped to reduce the incidence of childhood pertussis in the United States. Despite this, reported instances of the disease increased twenty-fold in the early 21st century, resulting in numerous fatalities. Over this time, many parents declined to vaccinate their children against pertussis for fear of side effects.
Riggs' disease Riggs' disease Riggs' disease, also known as pyorrhea of a toothsocket or gingivitis expulsiva, is a historical term for periodontitis (gum disease), The condition was described as a purulent inflammation of the dental periosteum. It was named after American dentist John Mankey Riggs (1811–1885). Riggs' disease was said to produce the progressive necrosis of the alveoli and looseness of the teeth. The teeth may become very loose and fall out of the sockets. Mark Twain wrote briefly about Riggs' disease in his short essay, "Happy Memories of the Dental Chair", in which he claims to have been examined by Dr.