Estimating the number of unvaccinated Chinese workers against yellow fever in Angola.

ABSTRACT:

Background

A yellow fever epidemic occurred in Angola in 2016 with 884 laboratory confirmed cases and 373 deaths. Eleven unvaccinated Chinese nationals working in Angola were also infected and imported the disease to China, thereby presenting the first importation of yellow fever into Asia. In Angola, there are about 259,000 Chinese foreign workers. The fact that 11 unvaccinated Chinese workers acquired yellow fever suggests that many more Chinese workers in Angola were not vaccinated.

Methods

We applied a previously developed model to back-calculate the number of unvaccinated Chinese workers in Angola in order to determine the extent of lack of vaccine coverage.

Results

Our models suggest that none of the 259,000 Chinese had been vaccinated, although yellow fever vac

SUBMITTER: Wilder-Smith A 

PROVIDER: S-EPMC5905133 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature