Thailand:Avian Influenza surveillance in human(As at December 1, 2005)

Thailand:Avian Influenza surveillance in human(As at December 1, 2005)
submited by kickingbird at Dec, 2, 2005 20:21 PM from Department of Disease Control MOPH, Thailand

Avian Influenza surveillance in human
As at December 1, 2005.
Bureau of Epidemiology, Department of Diseases Control, Ministry of Public Health

I. Avian Influenza in human situation 2005

Since January 1, 2005 to December 1, 2005, the Bureau of Epidemiology has received reports of influenza or pneumonia cases in Avian Influenza Surveillance Network from the Provincial Health Offices and Disease Prevention and Control Regional Offices. The investigation and analysis were summarized as follows:

Cumulative number of patients under surveillance are 2,667 cases; 75 provinces. Today reports are 18 cases; Five cases from Suphanburi, 2 each from Phichit and Loei, and 1 each from Nonthaburi, Pathumthani, Lopburi, Singburi, Chiangmai, Uttharadit, Ubonratchathani, and Yasothon, without severe nor death cases.

Confirmed human case of avian influenza = 4, 1 death case;
2 cases from Kanchanaburi with one death case,
1 from Nonthaburi/Bangkok Metropolis,
and 1 from Bangkok Metropolis.

There is no suspect cases reported.

Conclusion:

· In 2005, there are 4 confirmed human cases of avian influenza, with 1 death case.

· No patient from man-to-man transmission reported.

II. Avian Influenza International Situation, www.who.int

WHO report in brief : Since 26 December 2004, to 29 November 2005, there had been 133 H5N1 confirmed reported cases, with 68 deaths in 5 countries; Vietnam = 93, with 42 deaths; Four confirmed dead cases from Cambodia; 21 cases with 13 deaths in Thailand; 12 cases with 7 deaths from Indonesia, and 3 cases with 2 deaths in China. (Table1)

Table 1 : Details of confirmed H5N1 cases from WHO reports.

Duration	Indonesia		Cambodia		Thailand		Vietnam		China		TOTAL
	Case	Dead	Case	Dead	Case	Dead	Case	Dead	Case	Dead	Case	Dead
26 December - 10 March 2004	0	0	0	0	12	8	23	16	0	0	35	24
19 July - 8 October 2004	0	0	0	0	5	4	4	4	0	0	9	8
16 December 2004 - 29 November 2005	12	7	4	4	4	1	66	22	3	2	89	36
Summary	12	7	4	4	21	13	93	42	3	2	133	68

III. Domestic Avian Influenza in poultry situation

Avian influenza in poultry situation on the Department of Livestock Development web site (www.dld.go.th); since October 1 to December 1, 2005; revealed no infected areas and the areas where 21 days of surveillance. The areas waiting for laboratory result are 47 provinces; 318 tambons.

*Patient definition:

Suspected : Individual who has body temperature 38°C and one of these symptoms; muscle pain, cough, breathing difficulty, or shortness of breath, or the physician suspicious of pneumonia or influenza plus history of direct contacting sick or dead poultry within the last 7 days or unusual dead of poultry in the village within the last 14 days,

Probable : suspected case with preliminary laboratory result of influenza A infection but strain not known either human or avian influenza yet or respiratory failure or dead,

Confirmed : suspected case with final laboratory result indicated influenza A (H5) of which is avian strain by PCR or by virus culture,

Excluded : any patient who is not compatible with the aforementioned definition or laboratory result proved to be other causes.

Being under investigation : any patient, whose additional data or information either clinical or contact history in risk area are needed before any conclusion could be made.

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