हरखाब सोमजिनाय नायबिजिरसंनो थाखाय बेरामनि लैखोन आरो फाहामनाय बारदेरग्रा बेरानि बागै मोनसे गियान थानांगौ ।
A thorough knowledge about clinical symptoms and epidemiological parameters is important for outbreak investigations .