Smallpox vaccine Smallpox vaccine Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox. Dryvax is a freeze-dried calf lymph smallpox vaccine. It is the world's oldest smallpox vaccine, created in the late 19th century by American Home Products, a predecessor of Wyeth. By the 1940s, Wyeth was the leading US manufacturer of the vaccine and the only manufacturer by the 1960s. After world health authorities declared smallpox had been
To the Youth in Western Countries and the 2015 Beirut bombings. As of December 26, 2015, the letter has been translated to 62 languages in a collaborative effort conducted by The Representative of the Supreme Leader in the University of Mohaghegh Ardabili, Al-Mustafa International University graduates, the Ministry of Foreign Affairs, the IRIB World Service and the countries' respective embassies. In about two thousand words, Khamenei discussed the reasons for the worldwide wave of terrorism, calling it "our common worry". Among them he noted the impact that major Western powers had with their military operations in the Islamic world. He mentioned United States's alleged role in