Children's deaths show resilience of swine flu

You might think that inter-species diseases are a thing of the movies, but in reality viruses, bacteria, and fungus jump between the species they attack. The recent H1N1 pig flu virus had genes from bird flu, and when it migrated to humans, it acquired human genes.
Vaccines try to prevent inter-species viruses and include immunity against variations of H1N1, H3N2, H1N2. Viral mutations are not fiction, and vaccination and potent anti-virals are some of our weapons.

ATLANTA - Health officials said Friday that 76 U.S. children have died of swine flu, including 19 new reports in the past week - more evidence the new virus is unusually dangerous for the young.

The regular flu kills between 46 and 88 children a year, according to the Centers for Disease Control and Prevention. That suggests deaths from the new H1N1 virus could dramatically outpace children's deaths from seasonal flu, if swine flu continues to spread as it has.

CDC officials say 10 more states, a total of 37, now have widespread swine flu. A week ago, reports suggested that cases might be leveling off and even falling in some areas of the country, but that didn't turn out to be an enduring national trend.

"We are seeing more illness, more hospitalizations, and more deaths," Dr. Anne Schuchat said at a news conference Friday.

The new virus, first identified in April, is a global epidemic. The CDC doesn't have an exact count of all swine flu deaths and hospitalizations, but existing reports suggest more than 600 have died and more than 9,000 have been hospitalized. Health officials estimate millions of Americans have caught the virus.

The virus is hitting young people harder. Experts believe older people are suffering from it less, perhaps because they have a bit of immunity from exposure over the years to somewhat similar viruses.

Most healthy children recover and often suffer only mild symptoms. But some have died from it, often from a seco

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Biotechnology advances have allowed us to understand viruses, bacteria, and other pathogens better than ever before. We use genetic engineering, DNA sequencing, microarrays, PCR, and other genomic and proteomic tools to understand pathogens better.

We've also developed vaccines and potent antivirals and antibiotics that fight diseases. A proof of this is how much longer life expectancy is Today than it was before the 1940's when antibiotics were invented.

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