Can Vaccinated Children Be Asymptomatic Carriers of Pertussis?
What is the role of asymptomatic carriers in pertussis outbreaks?
What is the role of asymptomatic carriers in pertussis outbreaks?
While most kids don’t have any reactions at all after their vaccines, those that do typically have mild reactions, including some fever, soreness, or swelling at the injection site. More moderate and severe reactions are rare.
Crying non-stop for 3 hours or more after a vaccine can be scary. Fortunately, DTaP crying is not caused by encephalitis or any other terrible thing you might read about. It is a painful local reaction.
Hypotonic-hyporesponsive episodes were more common after the older DTP vaccines, but still didn’t cause any long term problems and aren’t a good reason to skip or delay your child’s vaccines.