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"Household transmission of vaccinia virus from contact with a military smallpox vaccinee—Illinois and Indiana, 2007" "Vaccinia Virus Infection After Sexual Contact with a Military Smallpox Vaccinee --- Washington, 2010". Morbidity and Mortality Weekly Report 59 (25): 773–75. http://www. — “Vaccinia - Wikipedia, the free encyclopedia”, en.wikipedia.org
There are currently three PCV vaccines available on the global market: Prevnar (called Prevenar in some countries) and Synflorix. other people in the same household as a vaccinee also become relatively protected.. — “Pneumococcal conjugate vaccine - Wikipedia, the free encyclopedia”, en.wikipedia.org