
Epidemic experts say they are investigating the apparent spread of
Tamiflu-resistant swine flu virus among four patients at Duke
University Medical Center in Durham, N.C.

Two DC Recreation Centers opened their doors for H1N1 Vaccine Clinics.

Shipments of the vaccine went out this week to colleges and universities.

In a House hearing, Nov. 18, 2009, representatives from the drug company, Novartis, says it makes an adjuvant, a chemical, that reduces the dosage of the H1N1 vaccine while still maintaining its effectiveness.

The Fairfax County Health Department will operate a mass vaccination clinic on Saturday, November 21.

The out-of-pocket price to fill the same liquid Tamiflu prescription can range from $43 to $130, according to USA TODAY's phone survey.

Minnesota libraries say plush toys and hand puppets will no longer be available for checkout or play, partly because of H1N1 flu concerns.

The H1N1 flu season has created plenty of opportunities for companies trying to cash in on your fears.

The global body said there was "ample evidence" that any unusual gathering of 1,000 people or more can help spread infectious diseases such as H1N1 flu.

Estimates of deaths caused by the H1N1 flu have grown to nearly 4,000 since April, roughly quadrupling previous estimates. But that doesn't mean H1N1 flu suddenly has worsened.