Decades-long trends, not flawed vaccine, explain resurgent whooping cough

Researchers and public health officials have struggled to explain the resurgence of whooping cough in the US since the late 1970s, and the suspected shortcomings of the current generation of vaccines are often blamed. But a new study concludes that the resurgence of the highly contagious respiratory disease is the result of factors that began in the middle of the last century, long before the latest vaccines were introduced in the late 1990s.

from Top Health News – ScienceDaily http://bit.ly/2GkCt71
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