| 单词 | Sabin vaccine |
| 例句 | Starting with the same type 2 Sabin vaccine virus, they tweaked its genome in several places to make it less likely to revert. First polio cases linked to new oral vaccine detected in Africa 2023-03-19T04:00:00Z If approved, the single-dose Sabin vaccine would most likely be the first in line for trial. Uganda Races to Contain a Deadly Ebola Outbreak 2022-10-01T04:00:00Z The Sabin vaccine was created in the 1940s and ’50s by passaging the virus through animal cells until scientists found a suitably weakened form. The polio eradication campaign is faltering. Can a new vaccine help it get back on track? 2020-11-10T05:00:00Z When the Salk vaccine became available in 1955 — and again in the 1960s when it was replaced by the Sabin vaccine — Americans lined up in droves to receive it. A Dose of Optimism, as the Pandemic Rages On 2020-10-12T04:00:00Z In time, the Sabin vaccine became the predominant form of polio immunization, and the Salk vaccine was largely abandoned. David Salamone, who contracted polio from vaccine and helped spur changes in U.S. immunization policy, dies at 28 2018-09-15T04:00:00Z First, both the injected Salk vaccine and the orally administered Sabin vaccine are highly effective in protecting individuals against the virus. Polio Nearly Eradicated in Nigeria, Pushing Disease to Brink of Extinction 2015-07-24T04:00:00Z In 1999, the US government recalled the Sabin vaccine, replacing it with a newer version of Salk’s vaccine. 5 Things You May Not Know About Jonas Salk 2015-06-22T04:00:00Z The Sabin vaccine is composed of three live but crippled strains of polio. Vaccine Switch Urged for Eradication of Remaining Pockets of Polio 2013-01-16T15:45:00.460Z |
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