"A"--------, which means that you can give someone the flu before you know you're sick as well as while you are sick.
A) Adults may be able to infect others beginning one day before getting symptoms and up to one week after getting sick
B) Respiratory droplets are generated by a person coughing or sneezing and can be propelled right into your eyes, nose or mouth over short distances.
C) Most cough, cold and flu viruses are thought to be passed from person to person by contact with respiratory droplets
D) Children can be infectious even longer, sometimes up to several weeks
E) The swine flu has the potential to kill a grown up in a week and a child in just three days time.
I think C
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