Health officials in New York City report that a health care worker who was among the first to receive a COVID-19 vaccination has had a serious adverse reaction. City health officials note that this is the only known adverse reaction out of more than 30,000 coronavirus vaccinations that have been administered in the city. VACCINATIONS UNDERWAY IN NY NURSING HOMESVaccines do have side effects and allergic reactions, health officials caution. Clinical trials and reports of adverse effects in other jurisdictions have been reported with the Pfizer vaccine. >MORE CORONAVIRUS COVERAGE
