Final answer:
The recommended site for IM injections in individuals aged 7 months and up is the vastus lateralis muscle.
Step-by-step explanation:
The recommended site for intramuscular (IM) injections in individuals aged 7 months and up is the vastus lateralis muscle. The vastus lateralis is a quadriceps muscle located on the lateral aspect of the thigh. It is a safe and effective site for IM injections as it has a large muscle mass and avoids major nerves and blood vessels.