A new study of the safety of the tetanus-diphtheria-acellular pertussis (Tdap) vaccine supports the recommendation that those 65 and older get the vaccine to protect themselves and others, particularly young babies, from pertussis. Published online in Clinical Infectious Diseases, the findings come as reported U.S. cases of the bacterial infection, also known as whopping cough, are at the highest level since the 1950s.
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