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Developing a Zika vaccine will take time (and money)

Feb 1, 2016
A handful of big drug companies are working on one.
Mother Nadja Cristina Gomes Bezerra displays a photograph she had taken for identification of her daughter Alice Vitoria Gomes Bezerra, 3-months-old, who has microcephaly, on January 31, 2016 in Recife, Brazil. In the last four months, authorities have recorded close to 4,000 cases in Brazil in which the mosquito-borne Zika virus may have led to microcephaly in infants.
Mario Tama/Getty Images

Early results suggest an effective Ebola vaccine

Jul 31, 2015
The treatment provided total protection to people in close contact with patients.

Herd immunity, explained

Feb 10, 2015
Vaccination only works if most of the population has been inoculated.
Miami Children's Hospital pediatrician Dr. Amanda Porro, M.D prepares to administer a measles vaccination to Sophie Barquin,4, as her mother Gabrielle Barquin holds her during a visit to the Miami Children's Hospital.
Joe Raedle/Getty Images

The cost of not vaccinating

Feb 10, 2015
It may be time for a new cost-benefit analysis when it comes to vaccination.

Off-target flu shot will cost employers

Dec 9, 2014
Since this year's flu vaccine is off the mark, more people will probably come down with the flu.

Fewer than half of Americans get flu shots

Nov 26, 2014
"The more people that get shots, the safer the group will be," says one expert.

The numbers for September 17, 2014

Sep 17, 2014
We're watching the Fed, mobile ad spending and vaccination rates Wednesday.

For public good, not for profit.

The benefits of developing an Ebola vaccine

Sep 2, 2014
While the market for an Ebola vaccine is small, the payoff of production is big.

GSK seeks approval for RTS,S malaria vaccine

Oct 8, 2013
Data show the vaccine is modestly effective against malaria.

Where to find a flu shot: Why vaccination shortages occur

Jan 14, 2013
The flu kills thousands every year, and public health officials say that everyone over the age of 6 months should get vaccinated. But every few years it seems like there's a run on flu vaccine. To understand why, you need to look at the vaccine market.