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- Dictionaryinfluenza/ˌɪnflʊˈɛnzə/
noun
- 1. a highly contagious viral infection of the respiratory passages causing fever, severe aching, and catarrh, and often occurring in epidemics.
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Oct 3, 2023 · Overview. Seasonal influenza (the flu) is an acute respiratory infection caused by influenza viruses. It is common in all parts of the world. Most people recover without treatment. Influenza spreads easily between people when they cough or sneeze. Vaccination is the best way to prevent the disease. Symptoms of influenza include acute onset of ...
Nov 27, 2009 · Symptoms. Influenza is characterized by a sudden onset of high fever, cough, headache, muscle and joint pain, malaise, and a runny nose lasting 2 to 7 days. Influenza is usually mild and uncomplicated and most people recover without medical treatment. However infection with influenza may occasionally cause severe disease and death, particularly ...
Influenza viruses are constantly changing, and can infect both humans and animals (birds, pigs, horses). There are several types (namely A, B and C) and subtypes of the Influenza virus. In India, both seasonal influenza and avian influenza (in wild birds, poultry) have been widely reported.
Oct 16, 2024 · Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world. It is characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling unwell), sore throat and a runny nose. The cough can be severe and can last two or more weeks.
May 16, 2024 · H5N1 influenza virus infection can cause a range of diseases in humans, from mild to severe and in some cases, it can even be fatal. Symptoms reported have primarily been respiratory, but conjunctivitis and other non-respiratory symptoms have also been reported. There have also been a few detections of A (H5N1) virus in persons who were exposed ...
"Pandemic influenza is a significant public health issue that we are unable to prevent or eliminate, given our current technology and knowledge. So much of our work managing the pandemic has to be when it occurs, to impact on health and society," said Dr Zhang. "Seasonal influenza epidemics provide real opportunities to prepare for the next ...
May 16, 2024 · What is avian influenza? Avian influenza, sometimes known as bird flu, is a disease caused by a virus that mainly affects birds but can also affect mammals, including humans. It primarily spreads from infected birds to humans through close contact with birds or contaminated environments, such as in backyard poultry farm settings and at markets ...
A live attenuated vaccine delivered in the form of a nasal spray was first licensed in 2003, a vaccine using recombinant DNA technology was approved in 2013, and additional influenza vaccines based on newer technologies are being tested in clinical trials. Despite these efforts, seasonal influenza still kills up to 650 000 people a year globally.
May 13, 2010 · 13 May 2010. An influenza pandemic is a global epidemic caused by a new influenza virus to which there is little or no pre-existing immunity in the human population. Influenza pandemics are impossible to predict; and they may be mild, or cause severe disease or death. Severe disease may occur in certain risk groups, which may correspond to ...
Apr 30, 2019 · Seasonal influenza is a contagious respiratory disease caused by an influenza virus. It is not the same as a common cold. Influenza is characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling unwell), a sore throat and a runny nose. The cough can be severe and can last 2 or more ...
