How long after receiving the rotavirus vaccine will side effects appear?

Timing of Side Effect Reactions for Rotavirus Vaccine: 1. Common Reaction Period: Adverse reactions to the rotavirus vaccine generally occur within 24 to 72 hours after vaccination. This is the most common reaction timeframe. 2. Individual Variation: Some children may experience adverse reactions a week or even longer after vaccination, which mainly depends on the individual's immune system and physical response. 3. Common Side Effects: Common side effects include fever, vomiting, diarrhea, and rash. Most symptoms are mild and of short duration, typically resolving on their own within a few days. 4. Severe Reactions: In very rare cases, severe allergic reactions may occur, which require immediate medical attention following vaccination. After vaccination, parents should closely monitor their baby's physical condition and seek medical care promptly if any discomfort occurs.