Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania and the sixth-most populous city in the United States, with a population of 1,603,797 in the 2020 census. The city is the urban core of the larger Delaware Valley, also known as the Philadelphia metropolitan area, the nation's eighth-largest metropolitan area and seventh-largest combined statistical area with 6.245 million residents and 7.366 million residents, respectively.
AdVaccination helps you stay protected against severe COVID. See CDC vaccination guidance. COVID variants can change seasonally. Restore waning protection with the updated vaccine.
Updated COVID Vaccines · CDC COVID Vaccine Info. · CDC Guidelines for You
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