Definitions for "flu pandemic"
a global epidemic that occurs when a new flu virus appears in the human
a global outbreak caused when a new form of the influenza A virus emerges that can spread easily between humans, or an older form re-emerges after a long time
an outbreak of flu that would
a growing worry, and state and local health officials are revising plans on how
Keywords:  serious, experts, say, problem, facing
a serious problem that some experts say we will all be facing very, very soon