<Ul> <Li> Gardasil </Li> <Li> Hepatitis A vaccine </Li> <Li> Rabies vaccine </Li> <Li> Influenza vaccines based on inactivated viruses are commonly administered intramuscularly (although there is active research being conducted as to the best route of administration). </Li> </Ul> <Li> Hepatitis A vaccine </Li> <Li> Influenza vaccines based on inactivated viruses are commonly administered intramuscularly (although there is active research being conducted as to the best route of administration). </Li> <P> Platelet - rich plasma injections can be administered intramuscularly . </P>

What is characteristic of the intramuscular route of drug administration