BUSINESS INFORMATION - Half the people that have been encountered due to flu

Although the elderly people who appear to have less possibility for infection, if they are contagious virus A H1N1, they are more likely to die, said the research team from the French Institute for Public Health Surveillance in St. Maurice, France, on Thursday (20 / 8).

Some governments have stated pregnant women should be targeted first, the person must undergo immunization when vaccine is available.

Conversely, the study also revealed that children did not experience the feared attack sekeras. "Despite previous reports stated case influenza H1N1 outbreaks in 2009 occurred mainly in children, middle-age ... death in 343 cases in our analysis is 37 years old," they write.

Twelve percent of people who died aged 60 years or more. Conversely, more than 90 percent of deaths due to seasonal influenza occur in people aged above 65 years.

Some reports have shown the relationship with obesity, but researchers have not yet clear whether obesity itself increase the risk of severe complications due to swine flu H1N1, or whether people who are fat have other conditions that have not been diagnosed.

Figures kasua mortality due to swine flu H1N1 is less than 1 percent, about 0.4 percent, said the researchers. That is slightly higher for seasonal influenza but is lower than the 2 to 3 percent of the estimated mortality due to outbreaks of Spanish influenza in 1918.

They also express difficult and dangerous to try to predict mortality while outbreaks are merebak, in part because of serious cases and deaths reported earlier.

The first report in New York, United States, for example, shows a 0.2 percent death cases, they write.

Companies that make the vaccine covers the company AstraZenevca (AZN.L), MedImmune, CSL, GlaxoSmithKline Plc., Novartis AG and Sanofi-Aventis SA.

Production Roche AG and Gilead Sciences Inc., Tamiflu and Glaxo's Relenza, can mengobat influenza, and is now recommended for people who have a high risk of complications or death.