Vincent Racaniello, a professor of microbiology at Columbia University Medical Center, is blogging about the 2009 H1N1 swine flu. He's answering questions and addressing comments, but he's also posting daily about new developments and basic influenza virology. Fascinating...

A study in Finland suggests that the human papillomavirus (HPV) vaccine protects boys as well or better than it does girls. (The vaccine is currently licensed in the US for women ages 9-26. ) HPV causes less cancer in men than it does in women, but vaccinating boys could help protect them and their sexual partners against the virus. But the shot series is very expensive and public-health dollars are always scarce, so a recommendation that boys be vaccinated may be a while in coming.

More on the HPV vaccine

A fashion student at Cornell University has designed a line of clothing which actually kills germs on contact. The cotton clothing is coated with silver nanoparticles that deactivate bacteria and viruses. The hoods are lined with other nanoparticles that break down air pollutants.

And they look sharp, too!