Symptom-Free Carriers May Be Spreading Whooping Cough
By NICHOLAS BAKALAR
A new study traces a rapid increase in the illness also known as pertussis to asymptomatic transmission, driven by a change in vaccines.
Published: June 28, 2015 at 08:00PM
from NYT Health http://ift.tt/1FKWr1E
Symptom-Free Carriers May Be Spreading Whooping Cough NICHOLAS BAKALAR A new study traces a rapid increase in the illness also known as pertussis to asymptomatic transmission, driven by a change in vaccines. http://ift.tt/1FKWr1E http://ift.tt/ZLva2y Health The New York Times June 28, 2015 at 08:00PM