domenica 28 dicembre 2014

Vaccinated Populations Can Get Flu

The US Navy has a mandatory influenza vaccination policy, but even a high immunization rate couldn’t prevent a shipboard influenza outbreak in February 2014. Nearly one-quarter of the 102 crew members on a minesweeper moored in San Diego for 2 months developed symptoms attributed to influenza A(H3N2) virus, even though 99% of the affected men had been vaccinated (read more)