The flu epidemic is now spreading to almost all regions of France, as the epidemic of gastroenteritis is installed according to the monitoring networks.
"Last week, the flu was responsible for approximately 545,000 use of GPs and pediatricians, 45% of remedies for acute respiratory infection," says the network Grog (Regional Groups Observation Flu).
Since the resumption of monitoring on 1 November 2012, 66 serious cases, including 5 deaths (1 due to A/H1N1, A/H3N2 in 1, 1 in B and 2 A viruses not yet characterized) have been reported at the Institute of Health Surveillance (VS).
The majority of these 66 cases admitted to intensive care for adults with risk factors, infected with pandemic H1N1 2009, one of three viruses included in the vaccine currently in circulation.
However, 35% had no risk factor for influenza increased (chronic respiratory disease, heart failure, morbid obesity ...). Of the total, 67% were not vaccinated. 3% were. In 30% of severe cases (20 patients), vaccination status is not specified (30%), according to the report.
The three influenza viruses A/H1N1, A/H3N2 and B circulate together, note Wednesday Grog network.
"Clinically, signs frequently encountered are those usually described in the flu," said the network noting that "if the fever is almost always present, one third of flu cases is accompanied by a fever low (less than 39 ° C). "
"The level of influenza-like illness should continue to rise this week," for its part considers the Sentinel network-Inserm which takes into account the flu with fever of sudden onset exceeding 39 degrees, accompanied by signs of respiratory muscle aches, views and general medicine. It is estimated that three weeks of epidemic 464,000 people have visited a doctor, according to these criteria.
The regions most affected by the flu last week were: Auvergne (597 per 100,000), Champagne-Ardenne (466) Rhône-Alpes (438) Languedoc-Roussillon (336), Poitou-Charentes (266), South -Pyrenees (261), Aquitaine (239) and Ile-de-France (213).
The public can participate in the influenza surveillance via Internet (
www.grippenet.fr).
However, the outbreak of RSV bronchiolitis (respiratory syncytial virus) decreases, particularly in the Ile-de-France, in the south-west and north-east of France, said the network Grog.
On the front of the gastrointestinal, the second week in a row "above the epidemic threshold" confirms the epidemic, said the Sentinel network Wednesday.
Within two weeks of an epidemic, 474,000 people have visited their GP, including 262,000 new cases last week.
According to his estimates, "the level of activity of acute diarrhea should start to decline this week."
The most affected areas last week were: Midi-Pyrenees (627 cases per 100,000 inhabitants), Languedoc-Roussillon (555), Limousin (514), Aquitaine (509), Central (482), Nord-Pas-de-Calais (463), Haute-Normandie (440) and Poitou-Charentes (410).
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