Variant Influenza Virus (Swine Flu) : Not infrequently, there is a news report of another outbreak of swine flu, where a type of influenza A that normally infects pigs crosses over and infects a human. Actually, however, "swine flu" no longer exists, since the infection is now called a "variant influenza virus" infection. The type of virus is often named based on its genetic makeup.

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Doctor's Notes on Variant Influenza Virus Swine Flu Symptoms Symptoms

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Lung Cancer vs. Pneumonia Lung cancer occurs when healthy cells in lung tissue become abnormal and then multiply causing cancerous (malignant) tumors in the lung(s). Pneumonia is a bacterial, viral, or rarely, a fungal infection in the lung(s). The most common, similar signs and symptoms of lung cancer and pneumonia are cough, chest pain or discomfort, and shortness of breath. Both lung diseases also can cause signs and symptoms like coughing up blood, wheezing, pleural effusion, and lethargy.