Final answer:
When making entries for immunizations, you need to include the manufacturer, lot number, serial number, and expiration date.
Step-by-step explanation:
When making entries for immunizations, you need to include the manufacturer, lot number, serial number, and expiration date. The expiration date indicates the date until which the vaccine is considered effective and safe to use. It is important to include this information in immunization records to track the validity of the vaccine and ensure proper administration.
Learn more about Immunization record keeping