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Single dose of yellow fever vaccine enough: WHO

Last Updated: Friday, May 17, 2013, 18:32

A single dose of vaccination is sufficient to confer life-long immunity against yellow fever disease, according to World Health Organisation (WHO).

Progress on vaccine for virus killing Asian elephants

Last Updated: Tuesday, April 09, 2013, 17:35

Scientists may be a step closer to developing a vaccine for a virus that is killing scores of Asian elephants, listed as an endangered species by the International Union for Conservation of Nature.

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