Giuseppe
Emeritus
[Source: World Health Organization, full page: (LINK). Edited.]
Influenza update, 19 July 2013 - Update number 190
Summary
Information on H7N9
Virological influenza surveillance update
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Source of data
The Global Influenza Programme monitors influenza activity worldwide and publishes an update every two weeks.
The updates are based on available epidemiological and virological data sources, including FluNet (reported by the Global Influenza Surveillance and Response System) and influenza reports from WHO Regional Offices and Member States. Completeness can vary among updates due to availability and quality of data available at the time when the update is developed.
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Influenza update, 19 July 2013 - Update number 190
Summary
- Influenza activity in the northern hemisphere temperate zones remained at inter-seasonal levels.
- The United States of America reported 12 cases of human infection with influenza A(H3N2)v.
- More details can be found at http://www.cdc.gov/flu/swineflu/h3n2v-cases.htm.
- In most regions of tropical Asia influenza activity decreased, except for India and Viet Nam where influenza A activity remained relatively high.
- In Central America and the Caribbean, influenza activity in Cuba and the Dominican Republic remained high, but with decreasing trends, and began to increase in Costa Rica, El Salvador and Nicaragua.
- Influenza activity in the southern hemisphere increased considerably in South America and in Southern Africa but remained low in Oceania.
- In temperate South America, respiratory syncytial virus remained the main detected respiratory virus, but the proportion of influenza positive viruses continued to increase.
- In tropical South America, influenza A(H1N1)pmd09 became the main detected respiratory virus in most countries, except in Ecuador where respiratory syncytial virus (RSV) remained the main detected virus.
- As of 19 July, a total of 133 cases of influenza A(H7N9) virus infection have been reported. For more details see: link below
Information on H7N9
Virological influenza surveillance update
________
Source of data
The Global Influenza Programme monitors influenza activity worldwide and publishes an update every two weeks.
The updates are based on available epidemiological and virological data sources, including FluNet (reported by the Global Influenza Surveillance and Response System) and influenza reports from WHO Regional Offices and Member States. Completeness can vary among updates due to availability and quality of data available at the time when the update is developed.
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