Neil Stone (@drneilstone) 's Twitter Profile
Neil Stone

@drneilstone

Infectious Diseases doctor. Clinician-scientist.Officially the 1st person to use word #Covid. Strictly my personal views only. No DMs for medical advice.

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calendar_today09-10-2017 15:47:27

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Neil Stone (@drneilstone) 's Twitter Profile Photo
Neil Stone
@drneilstone

4 months ago

Entirely new vaccines against diseases for which there is no existing vaccine *are* tested against placebo New versions of vaccines are not because it is unethical to do so E.g testing a new measles vaccine against placebo-and let people get measles- would not be ethical