Influenza virus group A H1N1 Pandemic H1N1 (2009) H3N2 Human H3N2 -Swine Origin Influenza Virus (U.S.A., 2011) (similarity HA 87%, NA 91%) H5N1 (Highly pathogenic avian influenza virus) Influenza virus group B
2004 2005 จำนวน ( ราย ) Epidemic curve of confirmed Avian Influenza H5 human cases in Thailand from 2004 to present. (25 cases with 17 dead in 4 waves) Remark: 3097 Notification and investigation in 2004 3244 Notification and investigation in 2005 5300 Notification and investigation up to 19 October 2006 cases Acknowledge Avian influenza (AI) in poultry and human Declared AI free mobilize village health volunteers 2006 Declared AI free Kumnuan Ungchusak,BOE,Thailand 8/12 4/5 2/5 3/3
Strain analysis by HI test Using WHO HI reagents kit วิเคราะห์หาสาย พันธุ์ Strain analysis by Gene sequencing Annually send isolates to confirm at WHO cc in Australia and US – CDC ( 100 isolates/ year/WHOcc )
Reporting system Immediate Response Establish flexible communication channels in the network to ensure information dissemination and feedback. Update the knowledge of local technical personnel. Maintain records and data.