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Father Douglas McKay, a Philadelphia priest who has spent 50 years ministering to those in addiction, says that Philadelphia’s plans to create the first U.S. safe injection site are “a form of ...

An intramuscular injection delivers medication into a muscle. Doctors frequently use intramuscular injections to administer vaccines and certain other drugs. Injection sites include the upper arm, hip ...

Subcutaneous (subQ or SQ) injections are shots given in the fatty tissue layer (subcutaneous fat) under your skin. Your skin has many layers, and the subcutaneous layer is beneath the epidermis and ...

Dear Dr. Roach: I have had over 50 vaccinations in my life (I’m 78), most of them while I was in the military. I have often wondered how the vaccine spreads throughout the body, as the shots are ...