Influenza is caused by any of several closely related viruses in the familyOrthomyxoviridae(a group ofRNAviruses). Influenza viruses are categorized as types A, B, C, and D. These major types generally produce similar symptoms but are completely unrelated antigenically, so that infection with one...
Learn about influenza (flu) symptoms, treatment with antiviral drugs, flu shot side effects, and prevention during flu season. Discover when to get the flu vaccine, how long the flu lasts, the contagious period, flu types, and how it spreads.
It occurs more often in the winter months because people spend more time in close contact with one another. The flu is spread easily fromR DolinMS HirschLK MoynihanAR ThornerDolin R. Patient information: Influenza symptoms and treatment. In: Basow D (ed) UptoDate, op cit....
Influenza A and B viruses cause seasonal epidemics of disease almost every winter in the United States, while influenza C causes only mild respiratory symptoms and is not thought to cause epidemics, according to the CDC. A fourth type of influenza, type D, is not known to cause illness in ...
As a result, the immune system responds slowly. By the time the immune response is in full gear, millions of the body's cells are already infected.SymptomsFlu can cause a variety of symptoms. They can be mild or severe. Symptoms and illness severity depend on the type of virus, your ...
Most people with flu-like symptoms are not tested because the results do not generally change treatment. How is influenza (flu) treated? Treatment depends on the severity of influenza and may include: Antivirals, such as oseltamivir, zanamivir, peramivir or baloxavir marboxil to reduce the sev...
It can be tough to tell if your symptoms are from the flu, a cold, or another type of infection (hello, COVID). Though there’s definitely overlap in terms of virus symptoms, the flu does have some telltale signs that distinguish it from a cold, especially when it’s severe, like ...
The treatment of Influenza can be divided into five categories: 1.1. Symptomatic medication Influenza viruses show very specific symptoms upon infection. These include fever, chills, headache, cough, sore throat, myalgia, etc [9]. Medicines specific to these symptoms are often bought by patients ...
This virus has evidence of direct bird to human transmission without the need for adaptation through a secondary species such as pigs (Wright et al., 2013). In humans, the symptoms it causes are an acute respiratory tract infection with fever and sore throat, cough and malaise. If the ...
Influenza : Review in-depth clinical information, latest medical news, and guidelines on influenza virus and H1N1. Review management of flu symptoms using flu treatment for swine flu, bird flu, and other types of influenza.