India-made typhoid vaccine efficacy lasts for four years: study
A phase-3 trial in children aged between nine months and 12 years carried out in Malawi, Africa, which is a typhoid fever-endemic setting, has shown that efficacy of the Hyderabad-based Bharat Biotech’s conjugate typhoid toxoid vaccine — Typbar — lasts for at least four years. The efficacy of the vaccine was seen in children of…
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