Influenza, commonly known as the flu, is an infectious disease caused by an influenza virus symptoms can be mild to severe the most common symptoms include: a high fever, runny nose, sore throat, muscle. Flu is the short term for influenza it is an illness caused by a respiratory virus the infection can spread rapidly through communities as the virus. Influenza, commonly referred to as the 'flu', is a severe respiratory illness that is easily spread and can lead to severe complications, even death. Recommended composition of influenza virus vaccines for use in the 2018 southern hemisphere influenza season 28 september 2017 it is recommended that trivalent vaccines for use in the 2018 southern hemisphere influenza season.
The influenza virus is not only highly contagious -- it also is highly changeable this page of the emedtv web site examines this virus in detail, including subtypes, how it is transmitted, and what makes it so changeable. Influenza, or flu, is a contagious respiratory infection caused by several flu viruses that infect the nose, throat and lungs people infected with the seasonal flu virus feel miserable with fever, chills, muscle aches, coughing, congestion, headache and fatigue for a week or so. Flu symptoms tend to develop quickly and are usually more severe than the typical sneezing and stuffiness of a cold yearly vaccination is the best protection against the flu. Influenza, commonly known as the flu, is an infectious disease caused by an influenza virus symptoms can be mild to severe the most common symptoms include: a high fever, runny nose, sore throat, muscle.
What is influenza influenza (the “flu”) is a contagious viral infection primarily of the nose, throat, and lungs flu is caused only by the influenza virus, but many people confuse illnesses caused by other viruses or bacteria, including severe colds (rhinovirus) or “the stomach flu” (norovirus and other viruses and bacteria) with. Should you still get a flu shot, why is this year so bad, and when should you or your child go to the doctor. Influenza viruses cause the flu and are divided into three types, designated a, b, and c influenza a and influenza b are responsible for epidemics of respiratory illness that occur almost every winter and are often associated with increased rates of. Learn more about the symptoms, causes and prevention of this potentially fatal viral infection that attacks the respiratory system.
There are two main types of influenza (flu) virus: types a and b the influenza a and b viruses that routinely spread in people (human influenza viruses) are responsible for seasonal flu epidemics each year influenza a viruses can be broken down into sub-types depending on the genes that make up the surface proteins. News about swine flu commentary and archival information about swine flu from the new york times. The influenza pandemic of 1918 the influenza pandemic of 1918-1919 killed more people than the great war, known today as world war i (wwi), at somewhere between 20 and 40 million people.
How can the answer be improved. Influenza: influenza, acute viral infection of the upper or lower respiratory tract, marked by fever, chills, and a generalized feeling of malaise influenza is caused by viruses in the family orthomyxoviridae. Scientists have discovered a new aspect of the flu virus and how it interacts with antibodies in the lungs this research could lead to a new approach for developing vaccines to prevent the flu, as well as novel treatments.
Flu is a contagious respiratory illness that spreads from person to person through the air via coughs or sneezes or through contact with infected surfaces. Influenza, or flu, is a respiratory infection caused by a variety of flu viruses the flu is a common catch-all term used for a variety of illnesses, but it correctly applies only to the upper respiratory disease caused by the influenza virus. Influenza, also known as the flu, is a contagious disease that is caused by the. Influenza surveillance and statistics in connecticut, the department of public health uses multiple systems to monitor circulating influenza viruses.