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How to Tell H1N1 Swine Flu From a Common Viral Fever - and When It Can Turn Dangerous
Delhi and adjoining areas are witnessing a sharp rise in H1N1, commonly known as swine flu, with nearly 1,800 confirmed H1N1 infections reported in 2026 so far. Overall, the national capital has recorded 2,392 influenza A cases, authorities say. While the surge has prompted closer surveillance and a review of healthcare preparedness, health experts stress that there is no evidence of a new H1N1 strain or a new pandemic. Also read: Delhi-NCR Swine Flu Alert: Health Advisory Issued, Here’s What Residents Need To Know H1N1 vs viral fever: Why they can look the same One of the biggest challenges during the current Delhi-NCR H1N1 outbreak is that swine flu can initially resemble an ordinary viral infection. Fever, cough, sore throat, runny or blocked nose, headache, body aches, chills and fatigue are common symptoms of influenza. However, many other respiratory viruses can cause similar symptoms, making it difficult to identify H1N1 based on symptoms alone. H1N1 may often begin suddenly, with fever and pronounced body aches and tiredness. A doctor may recommend testing, particularly when symptoms are significant, persistent, or occur in someone at higher risk. Influenza can be confirmed through respiratory samples such as a nasal or throat swab. When...
