Influenza, or the flu, is a contagious respiratory infection caused by influenza viruses, leading to symptoms like fever, cough, sore throat, body aches, headache, and extreme tiredness, ranging from mild to severe, sometimes requiring hospitalization or causing death. It spreads through droplets from coughing, sneezing, or talking and is different from the "stomach flu," with annual vaccination being the best prevention.
What is influenza?
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Question context
This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.