LYCOS RETRIEVER 
Viral: Infections
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Probably the most common viral infections are those of the nose, throat, and upper airways (upper respiratory infections). These infections include sore throat, sinusitis, and the common cold. Influenza is a viral respiratory infection. In small children, viruses ... commonly cause croup and inflammation of the windpipe (laryngotracheobronchitis) or other airways deeper inside the lungs (bronchiolitis—see Respiratory Disorders: Bronchiolitis). Respiratory infections are more likely to cause severe symptoms in infants, older people, and people with a lung or heart disorder.
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Generally, viral gastroenteritis is diagnosed by a physician on the basis of the symptoms and medical examination of the patient. Rotavirus infection can be diagnosed by laboratory testing of a stool specimen. Tests to detect other viruses that cause gastroenteritis are not in routine use.
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Qualitative viral load tests — These tests determine the presence of HCV RNA in the blood. This type of test is usually used to confirm chronic infection with HCV. If viral RNA is detected, a positive result is reported; if viral RNA is not detected, the test result is negative.
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AVANT technology offers multiple opportunities for the development of novel vaccines that prevent serious viral infections. AVANT currently has two viral vaccines programs: Rotarix® being commercialized in collaboration with GlaxoSmithKline, and a novel virus-like particles (VLPs)technology platform licensed from Select Vaccines Limited that addresses seasonal and pandemic influenza.
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Most cases of viral gastroenteritis resolve over time without specific treatment. Antibiotics are not effective against viral infections. The primary goal of treatment is to reduce the symptoms, and prompt treatment may be needed to prevent dehydration.
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Pay careful attention to personal hygiene -- Handwashing helps prevent infection with many of the viruses that can cause viral meningitis. Wash hands with soap and warm water after using the toilet, after changing diapers, before preparing and eating food, and after sneezing and coughing.
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