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Smallpox is an infectious disease that is caused by the variola virus. It spreads from one person to another, either directly or indirectly. The variola virus infects only humans — other animals are unable to catch smallpox.
28 lut 2022 · Smallpox was a severe disease that caused distinctive pustules. It was an epidemic that caused many deaths, but the first vaccine helped eliminate it.
17 wrz 2020 · Smallpox, which killed nearly 300 million people in the twentieth century alone—three times more than all the wars in that century—has been eradicated. 1,2 The story of this most universally feared disease, its elimination, and whether it could return to cause havoc is the topic of this chapter.
11 paź 2024 · What causes smallpox? Smallpox is caused by infection with variola major, a virus of the family Poxviridae . A less-virulent form of smallpox, called alastrim, is caused by a closely related virus known as variola minor.
Smallpox outbreaks among French prisoners of war spread to the German civilian population and other parts of Europe. Ultimately, this public health disaster inspired stricter legislation in Germany and England, though not in France.
17 maj 2023 · Even during the Cold War, it argues, the two opposing powers found ways to jointly advance the eradication effort thanks to three critical factors: the facilitating role of the World Health Organization (WHO), the fact that smallpox eradication aligned with the individual interests of each superpower, and the ability of health experts and ...
1 lip 2016 · The spread of smallpox, considered among the most devastating of human diseases, was linked to the progressive development of contact between human populations, wars and conquests, and increases in population densities. Smallpox can therefore be considered a disease of civilization.
