Most influenza viruses enter human or animal cells through specific pathways on the cells’ surface. Researchers at the University of Zurich have now discovered that certain human flu viruses and avian flu viruses can also use a second entry pathway, a protein complex of the immune system, to infect cells.
Trying to time your seasonal vaccines just right? There are no easy answers, but here are some factors to consider
With fall coming into view, public health officials across the country are turning to the annual task of persuading legions of Americans to get vaccinated