Diseases, Conditions, Syndromes

Nigeria first to use 'revolutionary' meningitis jab: WHO

Africa's most populous nation Nigeria has launched a "revolutionary" vaccine against meningitis, in what the World Health Organization (WHO) on Friday said was a world first.

Diseases, Conditions, Syndromes

Chlamydia vaccine shows promise in early trial

A chlamydia vaccine has triggered immune responses in an early trial, raising hopes that one day it might help curb the spread of the sexually transmitted infection (STI).

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