Pertussis Has Been Making a Big Comeback in the Last

question 69

Multiple Choice

Pertussis has been making a big comeback in the last few years, after being on the decline for quite a long time.Why is this?

• A) Few people have ever received pertussis vaccines because there have been links to autism.
• B) The strain of Bordetella pertussis that is now the major cause of pertussis is much more virulent than earlier strains.
• C) The pertussis vaccine does not seem to protect for a lifetime, so those who received the vaccine as kids may become susceptible in adulthood.
• D) People eat so much refined sugars and starches that our immune systems are much weaker, thereby not being able to adequately protect against pertussis bacteria.