As the U.S. wrestles with its biggest whooping cough outbreak in decades, researchers appear to have zeroed in on the main reason: The safer vaccine that has been in use since the 1990s loses effectiveness much faster than previously thought.
State health officials are crediting extensive public outreach for a dramatic drop in whooping cough cases last year, after a deadly year in 2010.
Days after state-mandated deadlines have passed for thousands of Bay Area seventh to 12th-graders to prove they’ve received a whooping cough vaccine, over a thousand students are barred from attending school.
Thousands of middle and high school students in Oakland, San Jose and San Francisco still haven’t gotten their mandatory whooping cough vaccination, even though the deadline to get the shot has already passed in some school districts.
Many Bay Area parents are rushing to get their kids vaccinated against whooping cough in order to comply with a new state law.
The World Series Champions, the San Francisco Giants, know what it takes to defeat a formidable opponent – now the team has geared up to do battle against whooping cough.
Hundreds of kids got whooping cough vaccinations at a free clinic at a San Francisco high school on Saturday.
After infections hit a record high last year, whooping cough is on the rise again in Contra Costa County.
Across the state, schools are sending a clear message to parents: if you have a son or daughter going into middle or high school next year, make sure they get vaccinated for whooping cough.
State health officials reported Thursday that California is on track to break a 55-year record for whooping cough infections in an epidemic that has already claimed the lives of nine infants.