estrellabf19 estrellabf19

13-04-2020
Engineering

contestada

By the 1950s, the development or improvement of vaccines helped save many people from dying of diseases such as cholera and tuberculosis.

True
False

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Аноним Аноним

13-04-2020

I would say true but I might be wrong sorry!
I would say this because they have vaccines for both Tuberculosis and cholera

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shelby321 shelby321

13-04-2020

Answer is true not false

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