A booster shot is generally referred to as a booster shot for the New Coronavirus vaccine, and is not recommended for minors at this time. The Coronavirus vaccine booster is available to people 18 years of age and older who have received the full course of Coronavirus vaccine for 6 months, as well as older adults 60 years of age and older who are eligible for and in need of the vaccine. Side effects of the booster shot may vary depending on the type of vaccine. Common side effects are swelling and pain at the vaccination site, as well as fatigue, headache, muscle aches, chills, low-grade fever, and arthralgia. These side effects usually last from 24 to 48 hours and up to a few days. Contraindications to vaccination with New Crown include patients with fever, patients with acute exacerbations of illness, persons with severe chronic diseases, patients with acute exacerbations of severe chronic diseases, pregnant or breastfeeding women and children (younger than 18 years of age), persons who are allergic to any of the components of the vaccine, patients with chronic diseases affecting the immune system or patients undergoing antitumor medication, and persons who are applying immunosuppression.