Giuseppe
Emeritus
[Source: European Centre for Disease Prevention and Control (ECDC), full PDF document: (LINK). Extracts.]
COMMUNICABLE DISEASE THREATS REPORT
Week 33, 11-17 August 2013
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Influenza A(H5N1) - Multistate (world) - Monitoring human cases
Opening date: 15 June 2005 Latest update: 19 July 2013
Epidemiological summary
Between 26 July and 9 August 2013, WHO WPRO acknowledged three new laboratory-confirmed human cases with influenza A(H5N1) virus infection from Cambodia.
The first case is a three-year-old boy from Prey Veng province who was diagnosed on 10 July 2013. He is in a stable condition.
The second case is a nine-year-old boy from Battambang province who was diagnosed on 9 August 2013. The boy had had contact with infected poultry. He is currently in a stable condition.
The third case is a five-year-old girl from Kandal province who was diagnosed on 10 August 2013. The girl is in a critical condition.
Of the 24 cases reported worldwide since the beginning of the year, 14 cases are from Cambodia (including nine deaths).
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ECDC assessment
Hong Kong reported the world's first recorded major outbreak of bird flu among humans in 1997, when six people died. Most human infections are the result of direct contact with infected birds, and countries with large poultry populations in close contact with humans are considered to be most at risk of bird flu outbreaks. ECDC follows the worldwide A(H5N1) situation through epidemic intelligence activities in order to identify significant changes in the epidemiology of the virus. ECDC re-assesses the potential of a changing risk for A(H5N1) to humans on a regular basis. There are currently no indications that there is any significant change in the epidemiology associated with any clade or strain of the A(H5N1) virus from a human health perspective. This assessment is based on the absence of sustained human-to-human transmission, and on the observation that there is no apparent change in the size of clusters or reports of chains of infection. However, vigilance for avian influenza in domestic poultry and wild birds in Europe remains important.
Actions
WHO is now reporting H5N1 cases on a monthly basis. ECDC will continue monthly reporting in the CDTR to coincide with WHO
reporting.
(?)
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COMMUNICABLE DISEASE THREATS REPORT
Week 33, 11-17 August 2013
(?)
Influenza A(H5N1) - Multistate (world) - Monitoring human cases
Opening date: 15 June 2005 Latest update: 19 July 2013
Epidemiological summary
Between 26 July and 9 August 2013, WHO WPRO acknowledged three new laboratory-confirmed human cases with influenza A(H5N1) virus infection from Cambodia.
The first case is a three-year-old boy from Prey Veng province who was diagnosed on 10 July 2013. He is in a stable condition.
The second case is a nine-year-old boy from Battambang province who was diagnosed on 9 August 2013. The boy had had contact with infected poultry. He is currently in a stable condition.
The third case is a five-year-old girl from Kandal province who was diagnosed on 10 August 2013. The girl is in a critical condition.
Of the 24 cases reported worldwide since the beginning of the year, 14 cases are from Cambodia (including nine deaths).
(?)
ECDC assessment
Hong Kong reported the world's first recorded major outbreak of bird flu among humans in 1997, when six people died. Most human infections are the result of direct contact with infected birds, and countries with large poultry populations in close contact with humans are considered to be most at risk of bird flu outbreaks. ECDC follows the worldwide A(H5N1) situation through epidemic intelligence activities in order to identify significant changes in the epidemiology of the virus. ECDC re-assesses the potential of a changing risk for A(H5N1) to humans on a regular basis. There are currently no indications that there is any significant change in the epidemiology associated with any clade or strain of the A(H5N1) virus from a human health perspective. This assessment is based on the absence of sustained human-to-human transmission, and on the observation that there is no apparent change in the size of clusters or reports of chains of infection. However, vigilance for avian influenza in domestic poultry and wild birds in Europe remains important.
Actions
WHO is now reporting H5N1 cases on a monthly basis. ECDC will continue monthly reporting in the CDTR to coincide with WHO
reporting.
(?)
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