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Definition of Influenza

Understanding Influenza Viruses CDC

Jul 10 2019 · Influenza (Flu) Viruses 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

Novel Influenza a Virus Infections Summary NNDSS

Current and Historical Conditions Indexed list of current and historical nationally notifiable conditions

Influenza Simple English Wikipedia the free encyclopedia

Influenza better known as the flu and sometimes called the grippe is a common childhood illness but is not as common among adults It is not limited to humans most mammals and many birds can also catch influenza

Influenza definition of influenza by Medical dictionary

Usually referred to as the flu or grippe influenza is a highly infectious respiratory disease The disease is caused by certain strains of the influenza virus When the virus is inhaled it attacks cells in the upper respiratory tract causing typical flu symptoms such as fatigue fever and chills a hacking cough and body aches

Definition of Flu MedicineNet

Dec 12 2018 · Flu Flu is a colloquialism for influenza The flu is an acute respiratory illness caused by influenza viruses A or B Most people who get the flu recover completely in 1 to 2 weeks but some people develop serious and potentially life threatening medical complications such as pneumonia

Influenza Definition of Influenza by Merriam Webster

Influenza definition is an acute highly contagious respiratory disease caused by any of three orthomyxoviruses How to use influenza in a sentence

Influenza Wikipedia

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 high fever runny nose sore throat muscle and joint pain headache coughing and feeling tired

Influenza (flu) Symptoms and causes Mayo Clinic

Influenza is a viral infection that attacks your respiratory system — your nose throat and lungs Influenza is commonly called the flu but it's not the same as stomach "flu" viruses that cause diarrhea and vomiting

Influenza A definition of influenza A by Medical dictionary

influenza A Infectious disease An avian virus especially of ducks which in China live near the pig reservoir and 'vector'; periodic mutations of the virus 13 hemagglutination and 9 neuraminidase subtypes cause 'flu' epidemics and pandemics

What is the definition of influenza WebMD

May 19 2019 · Influenza also called the flu is a common but sometimes serious viral infection of your lungs and airways It can cause congestion fever body aches and other symptoms

Influenza definition and meaning Collins English Dictionary

Influenza is an illness caused by a virus The symptoms are like those of a bad cold but more serious

What does influenza mean definitions

Definition of influenza in the Definitions net dictionary Meaning of influenza What does influenza mean Information and translations of influenza in the most comprehensive dictionary definitions resource on the web

Glossary of Influenza (Flu) Terms CDC

Definition and link(s) Candidate vaccine virus A candidate vaccine virus is an influenza (flu) virus that has been prepared by CDC or its public health partners for use by vaccine manufacturers if needed to mass produce a flu vaccine

H1N1 influenza (Swine flu) MedlinePlus Medical Encyclopedia

The H1N1 virus (swine flu) is an infection of the nose throat and lungs It is caused by the H1N1 influenza virus Earlier forms of the H1N1 virus were found in pigs (swine) Over time the virus changed (mutated) and infected humans H1N1 is a new virus first detected in humans in 2009 It spread quickly around the world

Influenza Definition of Influenza at Dictionary com

Influenza definition an acute commonly epidemic disease occurring in several forms caused by numerous rapidly mutating viral strains and characterized by respiratory symptoms and general prostration

Influenza definition of influenza by The Free Dictionary

A contagious disease caused by a virus that is characterized by fever inflammation of the airways and muscle pain It commonly occurs in epidemics one of which killed 20 million people between 1917 and 1919 Word History Since ancient times influenza has periodically swept the world

Definition of Influenza RxList

Dec 12 2018 · Read medical definition of Influenza Influenza Influenza is an acute respiratory illness caused by influenza A or B viruses Most people who get the influenza recover completely in 1 to 2 weeks but some people develop serious and potentially life threatening medical complications such as pneumonia

Definition of Influenza MedicineNet

Dec 12 2018 · Influenza Influenza is an acute respiratory illness caused by influenza A or B viruses Most people who get the influenza recover completely in 1 to 2 weeks but some people develop serious and potentially life threatening medical complications such as pneumonia

Type A Influenza Symptoms Treatment and Prevention

Dec 21 2018 · Type A influenza is a contagious viral infection that can have life threatening complications if left untreated Influenza A symptoms can be confused with signs of other conditions but are usually

Spanish flu Wikipedia

The Spanish flu also known as the 1918 flu pandemic was an unusually deadly influenza pandemic Lasting from spring 1918 through spring or early summer 1919 it infected 500 million people about a third of the world's population at the time

Revision of clinical case definitions influenza like illness

In the guidelines to the 1999 case definition clinical influenza was defined as "a sudden onset of fever a temperature >38°C and cough or sore throat in the absence of another diagnosis" 9 When this definition was used the occurrence of ILI in a community generally correlated with the seasonal levels of transmission of influenza virus 10 However the sensitivity of the definition was generally only about 60% and its specificity ranged from 0% e g when there was little circulation

INFLUENZA meaning in the Cambridge English Dictionary

influenza definition 1 formal for flu 2 formal for flu 3 flu

Flu Definition of Flu by Merriam Webster

influenza; any of several virus diseases marked especially by respiratory or intestinal symptoms… See the full definition

What is Influenza news medical net

Mar 23 2020 · Influenza is an acute viral infection of the respiratory tract which is considered to be one of the life threatening infectious diseases In certain countries seasonal influenza affects up to 40%

WHO The elusive definition of pandemic influenza

The elusive definition of pandemic influenza Peter Doshi a a Program in History Anthropology Science Technology and Society Massachusetts Institute of Technology 77 Massachusetts Avenue (E51 070) Cambridge MA 02138 United States of America

Influenza Causes Treatments & Pandemics HISTORY

The term influenza became commonplace to describe the disease at least in Britain in the mid 1700s At the time it was thought that the influence of the cold ( influenza di freddo ) along with

influenza Definition Symptoms Treatment & Prevention

Mar 25 2020 · Influenza also called flu or grippe an acute viral infection of the upper or lower respiratory tract that is marked by fever chills and a generalized feeling of weakness and pain in the muscles together with varying degrees of soreness in the head and abdomen

What Is R0 Gauging Contagious Infections

Apr 20 2020 · The R 0 for COVID 19 is a median of 5 7 according to a study published online in Emerging Infectious Diseases That's about double an earlier R 0 estimate of 2 2 to 2 7 The 5 7 means that one

Influenza Definition of Influenza by Lexico

noun A highly contagious viral infection of the respiratory passages causing fever severe aching and catarrh and often occurring in epidemics 'Other viral illnesses include influenza the common cold Lassa fever and ebola ' 'Frequently referred to as the flu influenza is a respiratory illness which is caused by a virus '