Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12879-017-2405-x/MediaObjects/12879_2017_2405_Fig3_HTML.gif)
a) Timeline of events of cases 2 & 3 from 18th August to 15th September 2015. These two cases are confirmed. b) Timeline of events of cases 4 (probable) & 5(confirmed) from 13th August to 18th September 2015
a) Timeline of events of cases 2 & 3 from 18th August to 15th September 2015. These two cases are confirmed. b) Timeline of events of cases 4 (probable) & 5(confirmed) from 13th August to 18th September 2015