<p>Background: The study objective is not clear. &nbsp;Authors describe the outbreak but dont &nbsp;answer the "what next "question</p><p>Methods: What was the case definition(s)? When was the investigation done? Where was the active search done- in the hospital? Who &nbsp;community or? Who were the contacts- household or caretakers or health workers?</p><p>Conclusion is not &nbsp;linked to study objective</p>