How is the tick vaccine administered to a child? - briefly
The tick vaccine is administered by a healthcare professional as a subcutaneous injection, typically given in two doses spaced 2–4 weeks apart. Each dose is delivered in the upper arm or thigh of the child.
How is the tick vaccine administered to a child? - in detail
The pediatric tick vaccine is delivered by intramuscular injection. The standard preparation is a sterile liquid that must be stored at 2‑8 °C and protected from light until use. Prior to administration, the vial is inspected for particulate matter and the correct volume (usually 0.5 mL) is drawn with a sterile syringe.
Injection technique follows these steps:
- Select a 23‑25 gauge needle, 1‑1.5 inches long, appropriate for the child’s age and muscle mass.
- Identify the anterolateral thigh (vastus lateralis) for infants and toddlers, or the deltoid muscle for older children.
- Clean the site with an approved antiseptic, allowing it to dry.
- Insert the needle at a 90‑degree angle, aspirate briefly to confirm no blood return, then depress the plunger smoothly.
- Withdraw the needle, apply gentle pressure with a sterile gauze, and cover with a small adhesive bandage.
The dosing schedule typically consists of two primary doses spaced one month apart, followed by a booster at 12 months. Each dose contains the same antigen concentration; the volume remains constant across ages, but the interval may be adjusted for immunocompromised patients.
After injection, observe the child for at least 15 minutes to detect immediate reactions such as anaphylaxis, local swelling, or fever. Document the lot number, expiration date, injection site, and any adverse events in the medical record.
Contraindications include known hypersensitivity to any vaccine component, severe immunodeficiency, or acute illness with fever. If a dose is missed, administer it as soon as possible and continue the remaining schedule without shortening intervals.