Researchers studied the 2010 epidemic of pertussis in

Last updated: 4/6/2023

Researchers studied the 2010 epidemic of pertussis in California They selected a random sample of 682 medical records of California children ages 4 to 10 who had been diagnosed with pertussis They also selected a random sample of 2016 medical records of California children in the same age group who had received care from the same clinicians on the same day but were not diagnosed with pertussis They found that children diagnosed with pertussis were much more likely to have not received any pertussis vaccine to have not received all recommended doses of the vaccine or to have had a longer interval of time since their last vaccination statistical inference 1 What type of study is this a case control observational s 2 What is an appropriate conclusion from this study about the 2010 epidemic of pertussis in California The study shows a pattern of