FILE - This Monday, Sept. 19, 2011 file photo shows an empty bottle of Tetanus, Diphthera and Pertussis, (whooping cough) vaccine at Inderkum High School in Sacramento, Calif. Health officials say the U.S. is on track to have the worst year for whooping cough in more than five decades. Nearly 18,000 cases have been reported so far - more than twice the number seen at this point last year, the Centers for Disease Control and Prevention said Thursday, July 19, 2012. At this pace, the number of whooping cough cases will surpass every year since 1959. (AP Photo/Rich Pedroncelli)
Early symptoms can last for 1 to 2 weeks and usually include:
Information from the CDC.
More cases of whooping cough have been reported in Nebraska.
The Three Rivers District Health Department say several new cases have been confirmed in its three-county region that includes Dodge, Washington and Saunders counties in eastern Nebraska
Officials say the ages of those who've been diagnosed range from an infant to a man in his 60s or 70s.
There has been as spike in cases of whooping cough, or pertussis this year, with more than 20,000 cases so far.
Nebraska has had about 70 confirmed cases. Wisconsin and Washington have reported over 3,000 cases.
Whooping cough is highly contagious and is spread when infected people cough or sneeze. It starts like the common cold, but can progress into violent coughing spells.