The flu virus, which attacks the respiratory system, is passed from one person to another primarily in droplets of bodily fluids expelled when the infected person sneezes, coughs, or even talks.
Gripas vīruss inficē elpceļus, un infekcija izplatās galvenokārt sīku pilienu veidā, cilvēkam klepojot, šķaudot un runājot.