原文第四段的These were men paid by the day,who walked hundreds of miles in search of "rumours"―information about possible smallpox cases.让我们断定自愿者被给予报酬是因为他们去很远的地方去确认天花的病例。 结果四 题目 The world’s last known case of smallpox was reported in Somalia, the ...
"On 31 October 1977, the world's last known case of endemic smallpox was discovered in Merca, Somalia. The source of infection was quickly identified; 19 days previously, the male patient had been in contact with two other cases for not more than 15 minutes, but the surveillance activities...
According to the Centers for Disease Control and Prevention in Atlanta, a single case of smallpox anywhere in the world would be considered a global health threat. Advertisement When the routine vaccinations ceased in 1972, some members of the Barber family questioned doctors and school officials. ...
The world's last known case of smallpox was reported in Somalia, the Horn of Africa, in October 1977. The victim was a young cook called Ali Maow Maalin. His case becomes a landmark in medical history, for smallpox is the first communicable..
Discusses issues related to the last case of naturally acquired smallpox in Somalia that occurred on October 26, 1977. Benefits of the eradication of smallpox; Action taken by the U.S. Department of Health and Human Services in preparation for the potential use of smallpox virus as a ...
Around the globe, smallpox is the only disease that has been eradicated through an aggressive international immunization program. This highly infectious disease once could kill as many as 1 of every 3 infected people, but the last known naturally occurring case was reported in Somalia, Africa...
Jenner's epochal use of cowpox to prevent smallpox, discovered in 1798, and Pasteur's use of rabies-infected tissue as a vaccine in 1885, paved the way for the concept of active immunity conferred by injection of infectious material, live or killed, to stimulate the host to 'remember' th...
In a sense, smallpox eradication was the fight by human species to make its vicious enemy, variola virus, extinct in the history of biological evolution. It is interesting to think, following Charles Darwin, that the worst human experience of smallpox over the past 6000 years built into the...
1. Your first part in a film was for the 1950 film noir classic The Killer that Stalked New York starring Evelyn Keyes. You were supposed to be the first victim, a little girl who gets smallpox from Keyes who is on the run spreading the plague. And it was a speaking part. The scri...
ButHenderson and Foege's hard work paid off-three years after the last smallpox case was informed (to make sure no outbreaks had beenmissed) T arget Zero Day was declared.40 years on, should we remember T argetZero Day? First, to celebrate victory of preventative medicine and freedom fro...