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CDC makes grim swine flu predictions

ATLANTA — In a disturbing new projection, health officials say up to 40 percent of Americans could get swine flu this year and next and several hundred thousand could die without a successful vaccine campaign and other measures.

The estimates by the Centers for Disease Control and Prevention are roughly twice the number of those who catch flu in a normal season and add greater weight to hurried efforts to get a new vaccine ready for the fall flu season. Swine flu has already hit the United States harder than any other nation, but it has struck something of a glancing blow that's more surprising than devastating.

The virus has killed about 300 Americans and experts believe it has sickened more than 1 million, comparable to a seasonal flu with the weird ability to keep spreading in the summer.

Health officials say flu cases may explode in the fall, when schools open and become germ factories, and the new estimates dramatize the need to have vaccines and other measures in place. A world health official said the first vaccines are expected in September and October. The United States expects to begin testing on some volunteers in August, with 160 million doses ready in October.

The estimates are based on a flu pandemic from 1957, which killed nearly 70,000 in the United States. The number of deaths and illnesses from the new swine flu virus would drop if the pandemic peters out or if efforts to slow its spread are successful, said CDC spokesman Tom Skinner.

In a normal flu season, about 36,000 people die from flu and its complications, according to the American Medical Association.

The World Health Organization says as many as 2 billion people could become infected in the next two years — nearly a third of the world population. The estimates look at potential impacts in a two-year period because past flu pandemics have occurred in waves over more than one year.

CDC makes grim swine flu predictions 07/24/09 [Last modified: Friday, July 24, 2009 11:37pm]

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