Child passenger safety has dramatically evolved over the past decade; however, motor vehicle crashes continue to be the leading cause of death of children 4 years and older. This policy statement provides 4 evidence-based recommendations for best practices in the choice of a child restraint system to optimize safety in passenger vehicles for children from birth through adolescence:
Pertussis is caused by a bacterium, Bordetella pertussis.
Pertussis is spread through the air by infectious droplets and is highly contagious.
The incubation period of pertussis is commonly seven to 10 days, with a range of 5-21 days.
Pertussis disease can be divided into three stages: