But public health officials point out that flu viruses can return more aggressively after a few months.

VOA: special.2009.05.06

Gary Nabel of the U.S. Vaccine Research Center points out that his universal flu vaccine would have another benefit.

VOA: standard.2010.07.21

But enter "swine flu parties" in an Internet search, and you will see, the idea is out there.

VOA: standard.2009.12.18

Others shared Paul's sentiment, saying the fear of the flu has gotten out of hand.

CNN: Hysteria over swine flu is the real danger, some say

Some doctors paint a scary worst-case scenario: A flu pandemic breaks out and beats down the immune systems of millions of people, and then staphylococci--the hospital strain and the nastier variant in the community--run wild on a killing spree.

FORBES: Germ Warfare

When a flu victim sneezes and coughs they send out thousands of droplets of flu-laden fluid.

FORBES: Coughing Mannequins Shed Light On Flu Transmission