Overview of influenza] Congressional Research Service (CRS) Reports regarding Influenza  Influenza Surveillance and Contingency Plans (by Country/Region) Orthomyxoviridae Influenza Virus Resource InfluenzaWorld  Resource for all influenza-related information. 
Nípa báyĩ tí èmi bá lè ro lásán nìkan bí tìtorí (Causafùra) tí Kant gbà pé ó jẹ́ bẹ̃ nígbànã a lè mọ̀ wọ́n kí a tó ní ìrírí wọn pé gbogbo àwọn ohun tí a ní ìrírí wọn gbọ́dọ̀ jẹ́ ìtorí tàbí ìṣẹ̀lẹ̀.. 