Illustration shows reassortment of
viral RNA segments in a cell infected
by two strains of influenza virus
(human and bird flu), leading to
a new and potentially dangerous
strain that could spread easily
from human to human and so
trigger a deadly worldwide epidemic.
Virus illustration copyright Russell
Kightley Media; please see
RKM.COM.AU for more science
and health-related images.
Rough Beasts
and
Public Health