Influvac Tetra Injection is a seasonal influenza vaccine that helps protect individuals against four common flu strains. It is especially recommended for children above 6 months, elderly adults, and people with chronic health conditions like diabetes, kidney disease, COPD, or heart failure. This vaccine is usually administered once a year before flu season by a qualified healthcare professional. While it may cause mild side effects such as headache, tiredness, or injection site discomfort, the benefits of flu prevention outweigh the risks.
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