Sentences with phrase «use against smallpox»

Not exact matches

Not only did Washington survive all of these conditions, he knew how to inoculate his army against smallpox, claiming the British tried using as an early form of biological warfare.

If the vaccine also proves safe and effective in subsequent tests in humans, it might be possible to mount a containment strategy similar to that used in the past against smallpox.

Such cross-protection is the case with cowpox and smallpox, and a vaccine currently in use for Japanese encephalitis protects some animals against the closely related West Nile virus.

Although now at the forefront of molecular technologies, vaccination has a history in the West going back at least 200 years (vacca - «cow» refers to Edward Jenner's use of cowpox against smallpox).