Igm एन्टिबदिस होबथानाया बे आनजादाव दंफायो जाय सिमटमा गोनो लानायनि गिबि सप्टाया जोबनो लायो आरो गोख्रों जोथोन लानायनि उनाव 1 निफ्राय-3 दाननि गेजेराव होबथा जायो।
The tests include detection of IgM antibodies which appear around the end of first week of onset of symptoms and are detectable for 1-3 months after the acute episode.