Thailand:Avian Influenza surveillance in human as at March 15, 2005
submited by kickingbird at Mar, 17, 2005 8:18 AM from Bureau of Epidemiology, Department of Diseases Control, Ministry of Public Health
Avian Influenza surveillance in human
As at March 15, 2005.
Bureau of Epidemiology, Department of Diseases Control, Ministry of Public Health
I. Avian Influenza in human situation 2005
-
No new confirm case.
-
New cases = 2, from 2 provinces : One cases each from Bangkok Metropolis and Sukhothai.
-
Cases under investigation, either additional clinical information or past history of risk factors are needed: = 6 from 4 provinces; Three cases from Bangkok Metropolis, 1 each from Nonthaburi, Sukhothai and Phetchaburi. (table 1)
-
Excluded cases, either the findings did not comply with the definitions or laboratory result revealed other causes : 409 cases. .
II. Avian Influenza in human situation 2004
-
Confirmed cases by laboratory detection of Influenza A (H5N1).
Total = 17; recovered = 5 and deaths = 12 -
Probable case, because the signs complied with the definitions or died or respiratory failure or preliminary laboratory result.
revealed influenza group A infection = 1; death = 1 -
Suspected cases, which the signs complied with the definitions.
Total = 22; recovered = 13 and deaths = 9
III. Avian Influenza International Situation, www.who.int
· In Vietnam, laboratory investigation confirmed that 41 years old nurse (who had been nursing care 21 years old avian influenza patient in the hospital), is not infected avian influenza disease.
· World Health Organization had reported H5N1 confirmed cases in Vietnam since 28 January 2004, to 11 March 2005 = 51, deaths = 33; one dead confirmed case from Cambodia; and the number of 17 cases with 12 deaths in Thailand. (Table 2)
IV. Domestic Avian Influenza in poultry situation
Table 1 : Details of 6 cases under investigation.
|
No. |
Sex |
Age |
District |
Province |
Contact chicken |
Dead chicken |
Onset |
Diagnosis |
|
1 |
M |
48 |
Klong tei |
Bangkok Metropolis |
No |
No |
Mar 11, 2005 |
Bronchitis |
|
2 |
M |
39 |
Wattana |
Bangkok Metropolis |
No |
No |
Mar 11, 2005 |
Bronchitis |
|
3 |
F |
5 |
Samsen Nai |
Bangkok Metropolis |
Yes |
No |
Mar 13, 2005 |
URI |
|
4 |
M |
11 |
Sawankalok |
Sukhothai |
No |
No |
Mar 11, 2005 |
URI |
|
5 |
M |
75 |
Pak kret |
Nonthaburi |
No |
No |
Mar 13, 2005 |
Pneumonia |
|
6 |
F |
27 |
Ban Lam |
Phetchaburi |
No |
No |
Mar 8, 2005 |
Bronchitis |
Table 2 : Details of confirmed H5N1 cases.
|
Duration |
Vietnam |
Cambodia |
Thailand | |||
|
|
Case |
Dead |
Case |
Dead |
Case |
Dead |
|
January-March 2004 |
23 |
16 |
0 |
0 |
12 |
8 |
|
August-October 2004 |
4 |
4 |
0 |
0 |
5 |
4 |
|
December 2004-March 2005 |
24 |
13 |
1 |
1 |
0 |
0 |
|
Summary |
51 |
33 |
1 |
1 |
17 |
12 |
*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.
- GISAID: H5N1 Bird Flu Circulating in Dairy Cows in the United States 3 days ago
- USCDC: A(H5N1) Bird Flu Response Update 4 days ago
- USCDC: Avian Influenza A(H5N1) U.S. Situation Update and CDC Activities 10 days ago
- USCDC: Urgent field correction notice 10 days ago
- Joint FAO/WHO/WOAH preliminary assessment of recent influenza A(H5N1) viruses 11 days ago
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