How many types of dengue viruses are there ... DEN-2, DEN-3, and DEN-4. These four viruses are called serotypes because each has different interactions with the antibodies in human blood serum.
News-Medical.Net on MSN9d
Older adults may have stronger immunity to bird flu, Penn study findsPrior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback