जेब्ला आनजादसालिनि आनजातनि फिथायखौ गोबाङै मिथिनाय जाया एम्फौ-एनला नायसंनाया थि जानो बाहायनो एबा जानो हाथाव सोमजिनायनि जाहोनखौ नेवसिनाय।
Entomological investigations are useful to confirm or rule out the probable cause of the outbreak, especially if results of laboratory tests are not available.