The influenza virus is a highly contagious virus that infects the epithelial cells of the respiratory tracts, notes Microbiology and Immunology Online, a website provided by the University of South Carolina School of Medicine. The influenza virus...
The flu is an unpredictable virus. Severity of outbreak depends on many factors, including which of the three types are spreading to how many people are vaccinated. Flu can also come in disguise because it can be spread by unsuspecting hosts who...
According to the Centers for Disease Control and Prevention, before the Haemophilus influenzae type B (Hib) vaccine was first administered in 1990, this bacterium was the most common cause of bacterial meningitis in the United States for children...
Influenza is classified as type A, type B or type C. Type A is the most severe and is responsible for epidemics such as avian flu and swine flu. The signs and symptoms of type A influenza can affect the digestive system, muscles, respiratory...
According to FluFacts.com, the first strain of influenza was discovered in the 1930s. Since then, it has been categorized as three types: A, B and C. Type A is considered to be the most common of the three types, as well as the most dangerous and...
The influenza virus is divided into three main types titled type A, type B and type C, says the Centers for Disease Control and Prevention (CDC). Humans can be infected by all three types of influenza. Type A influenza is divided into multiple...
The influenza virus causes a respiratory disease often called "the flu." The New York State Health Department reports that more than 200,000 people infected with the flu are hospitalized every year, and about 36,000 people die from the flu every...
The influenza virus has three classifications; type A, B and C. Influenza spreads rapidly and can occur as local or regional epidemics or global pandemics. While becoming infected with any strain of influenza virus leads to immunity to that...
There are three basic types of the influenza virus: A, B and C, according to the Centers for Disease Control and Prevention (CDC). Influenza A and B are the most common strains that afflict the estimated five million to 20 million Americans...
Influenza, also known as the flu, is classified into three types, A, B and C, reports the National Institute of Allergy and Infectious Diseases. Type A influenza is the most severe and is found in animals and humans. Type B influenza is found in...
When you hear that someone has the flu, you probably think of aches, pains and fever that are associated with it. While these are common flu symptoms, the Center for Disease Control and Prevention (CDC) reports that there are actually three...
Influenza, known as the flu, is a common virus that causes illness in ducks, chickens, whales, horses, pigs, seals and humans, according to the Centers for Disease Control and Prevention (CDC). Influenza is technically part of the orthomyxovirus...
Several different yet closely related viruses cause influenza, or the flu. Three influenza virus groups---types A, B and C---belong to the Orthomyxoviridae family of viruses, which includes a variety of viruses that infect birds and mammals....
The influenza virus is a highly contagious infection of the upper respiratory tract, including the nose, throat, bronchial tubes and lungs. The influenza virus can be highly dangerous and lead to opportunistic infections such as pneumonia in...
There are three different types of influenza virus. Types A and B tend to spread rapidly and can occur either in regional outbreaks called epidemics, or worldwide outbreaks called pandemics. Type C influenza virus is the least severe of all three....
Influenza type B is one of the two virus types that cause seasonal influenza. It belongs to the virus family Orthomyxoviridae along with influenza type A, the other cause of seasonal flu. The Centers for Disease Control and Prevention states that...
The influenza virus causes a communicable disease that affects the upper respiratory system, notes MedlinePlus, a service of the U.S. National Library of Medicine and the National Institutes of Health. Type A influenza, type B influenza and type C...
Influenza is an acute infectious disease that affects the respiratory tract. It is characterized by the abrupt onset of headache, fevers, chills, muscle pains, severe malaise, cough, sore throat and rhinitis. The acute illness generally resolves...
The flu is caused by viruses in the family Orthomyxoviridae. Influenza viruses types A and B cause seasonal flu outbreaks, and the flu vaccine provides protection against both virus types. Although these viruses have many similarities, they also...
The flu is unpleasant, contagious and maybe life-threatening. There are three types of regular influenza viruses: A, B and C. Type A influenza is divided into subtypes, such as the H1N1 virus, erroneously called swine flu, and both type A subtypes...
The influenza virus, or the flu, is an infection that attacks the respiratory tract. According to the Mayo Clinic, the most common symptoms of this illness are fever, chills, headache, cough, body aches, fatigue, nasal congestion and loss of...
The flu is a respiratory viral infection that produces symptoms such as fever, coughing, congestion, aching, chills and fatigue. According to the U.S. Department of Health and Human Services, the flu affects five to 20 percent of the U.S....
According to the Centers for Disease Control and Prevention (CDC), the flu is as an infection caused by influenza viruses. The CDC estimates that an average of 200,000 hospitalizations and 36,000 deaths in the United States are attributed to these...
Influenza B is a type of flu that is similar to influenza A. However, while A usually afflicts people in the early winter, influenza B can infect any time of the year. Another difference between the two, according to Dr. Vincent Racaniello, a...
Antiviral drugs are prescribed for their effect against the influenza viruses, including the swine flu. The Centers for Disease Control and Prevention recommends anti-viral medications for the prevention of influenza (chemoprophylaxis) as well as...
Influenza type B is one of three types of flu virus, the other two being type A and type C. Of the three, types A and B cause seasonal flu and can lead to epidemics. Between November and April, the time period known as flu season, is when most flu...
Haemophilus influenza type B is a bacterium that inhabits the upper respiratory tract of humans. It is spread by person-to-person contact of respiratory secretions. Widespread vaccination against this bacterium has reduced the incidence of...
The University of South Carolina states that although many upper respiratory diseases are called flu, there are truly only three different types of flu virus, all belonging to the orthomyxovirus family. The university adds that the virus can be...
The flu is a virus that affects millions of Americans every year. It is important to catch the virus quickly in order to properly diagnose and treat symptoms. The most common method of testing for the flu virus is the Influenza Rapid Test Nasal...
