Due to an increasing number of pertussis cases, the CDC now recommends that adults and adolescents receive a newly licensed booster shot that protects against pertussis as well as tetanus and diphtheria.

In response to a large increase in pertussis cases during a 2008/09 outbreak, the organization focused efforts on countering information from Meryl Dorey's Australian Vaccination Network.

In 1981 the government began vaccinating with acellular pertussis vaccine, and the number of pertussis cases dropped again.

In response to a large increase in pertussis cases during a 2008/09 outbreak, Smith funded a national ad in The Australian encouraging parents to "Get The Facts" and derided the Australian Vaccination Network as an anti-vaccination organisation.

The booster shot may help reduce the number of pertussis cases in adolescents and adults.

But the centers said the reported cases are perhaps only 5 or 10 percent of the nation's total pertussis cases.

Prevention efforts should be directed at maintaining high vaccination rates and managing pertussis cases and outbreaks...

Once a very rare cause of chronic cough, the number of pertussis cases in the United States has risen alarmingly in recent years, especially among adolescents and adults.

One morning, I received a report of a positive pertussis case.