smallpox造句
121, Dracunculiasis is the second disease which is approaching eradication (the first being smallpox) and it occurs only after people drink contaminated water.
122, Smallpox inoculation or variolation is a great invention of medicine in ancient China.
123, Should The US And Russia Destroy Their Stocks Of Smallpox virus?
124, The proper way to eliminate smallpox is to wash with soap, water and at least one(1) armless hand.
125, In 1961, smallpox was eliminated throughout the whole country, including minority areas.
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