Potential effect of age of BCG vaccination on global paediatric tuberculosis mortality: a modelling study

By Partho Roy, Johan Vekemans, Andrew Clark, Colin Sanderson, Rebecca C Harris, Richard G White.

 

The Lancet, Global Health, December 1, 2019

 

BCG has been recommended at birth in countries with a high tuberculosis burden for decades, yet delayed vaccination is widespread. To support a WHO guidance review, we estimated the potential global tuberculosis mortality benefit of administering BCG on time and consequences of later administration.

 

Reducing delays and increasing coverage at birth would substantially reduce global paediatric tuberculosis mortality. Modelled scenarios whereby BCG was administered later in the infant schedule were all estimated to increase tuberculosis deaths, even with increased coverage. The WHO recommendation for BCG at birth should be maintained and emphasised.

 

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Sunday, 23 February 2020