"vaccine" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- But backups, as well as virus vaccines, are passive defenses.
- The live virus vaccine, developed by Dr. Sabin, was first licensed in 1961.
- He contracted polio when his son was vaccinated for the disease with live virus vaccine in 1973.
- Many researchers have expressed deep concern over the possibility that every virus particle might not be destroyed in a killed virus vaccine.
- Fairfax guessed it was the virus vaccine that kept getting mentioned in all the decoded messages.
- But many scientists doubt that a killed virus vaccine is the best way to achieve those goals.
- Live virus vaccines use the weakened (or attenuated) form of the virus.
- Another attenuated live virus vaccine is in development in the United States.
- In 1969 a live attenuated virus vaccine was licensed.
- But he and other experts said much more research was needed to be sure that such an attenuated virus vaccine was both safe and effective.
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