Recommendations for booster shots for those who initially received vaccines made by Moderna or Johnson & Johnson have not changed.
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Studies at Rutgers and elsewhere are looking at possible links. The chemicals can cause serious health problems, including immune system effects.
The federal mandate takes effect Jan. 4.
Late last week the U.S. Food and Drug Administration authorized the emergency use of the Pfizer-BioNTech COVID-19 vaccine for children five through 11 years of age.