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2004 AUG 4 - (NewsRx.com & NewsRx.net) -- Whooping cough, one of those ancient scourges that infant vaccination was meant to wipe out, is making a dangerous comeback: It turns out the vaccine that babies get starts wearing off by adolescence.
With outbreaks striking teenagers and adults, the U.S. government soon will decide if it's time for booster shots against the cough so violent it can break a rib. GlaxoSmithKline recently sought U.S. Food and Drug Administration permission to sell a booster; competitor Aventis Pasteur isn't far behind.
While boosters are debated, however, don't lose sight of the real risk: Whooping cough can kill newborns before they start getting their vaccinations. And while older patients usually recover, they can easily spread the disease, known medically as pertussis, to infants.
"Parents who have very young infants need to get them vaccinated as early as possible," advised Dr. Trudy Murphy of the U.S. Centers for Disease Control and Prevention (CDC) in Atlanta. Anyone who's coughing should "avoid contact with young infants on the chance this maybe is unrecognized pertussis."
Pertussis is a bacterial infection. Initial coldlike symptoms lead to fits of 15-20 coughs in a row that leave patients gasping for air - often, but not always, with a high-pitched "whoop."
The incidence of pertussis plummeted in industrialized nations after vaccination began in the 1940s. It now is on the rise again globally.
Why isn't clear, but it's thought to be at least partly due to waning immunity. Children get five doses of pertussis vaccine between ages 2 months and 6 years. The protection begins to drop 5-10 years after the last shot.
Source: HighBeam Research, Whooping cough making dangerous comeback.