Chennai, Aug. 23 -- Highlights:

* Using travel data and infections diagnosed in travelers plus viral gene analysis, scientists have been able to uncover a hidden Zika outbreak in Cuba in //2017

* Around 1000-20,000 Zika cases should have occurred in Cuba in 2017, although not a single case was reported

* Such unreported outbreaks pose a real threat of dangerous infections silently spreading across the world and underscore the importance of using alternative methods to identify cases especially when local surveillance systems are inadequate and cases go undetected

Using travel patterns, data about infections diagnosed in travelers and viral genome analysis, public health experts have been able to uncover a hidden Zika outbreak in Cuba ...