Virus de la influenza pdf download

The 1918 influenza virus, which killed some 50 million people worldwide, has proved fatal to macaques infected in a laboratory. Influenza, parainfluenza, virus sincitial respiratorio. Influenza h5n1 infection in humans is characterized by high pharyngeal virus loads and. Beschouwing pandemie van nieuwe influenzaavirus h1n1. Antiviral agents that target the influenza virus enzyme neuraminidase have. Concern as revived 1918 flu virus kills monkeys nature. Influenza viruses are orthomyxoviruses that cause acute. In addition gip collects and analyzes virological and epidemiological influenza surveillance data from around the world. Asthma, diabetes and chronic heart disease were among the most common of these.

Influenza a virus national library of medicine pubmed health. Structure of influenza viruses, connected with influenza life. Influenza in birds is often referred to as avian influenza, in pigs as swine influenza, in horses as equine influenza and so on. Influenza viruses cause seasonal influenza epidemics, mostly in the. Oct 23, 2009 when you get the flu, viruses turn your cells into tiny factories that help spread the disease. If so, you are at high risk of serious illness if you get flu. Recommended composition of influenza virus vaccines for. These symptoms typically begin two days after exposure to the virus and most last less than a week. The regular sharing of quality influenza surveillance and. Chapitre 7 grippe infection par le virus influenza.

Influenza diagnosis clinical and epidemiological characteristics increase of febrile respiratory illness lab isolation of influenza virus from clinical specimen e. Virus influenza e o organismo humano influenza virus and the. Public health monitoring plan for usdaaphis responders to detections of avian influenza virus in poultry cdc pdf 325 kb, 17 pages external. In people, common symptoms of influenza are fever, sore throat, muscle pains, severe headache, coughing, and weakness and fatigue. Treating influenza flu information for people at high risk for flu complications do you have asthma, diabetes, or chronic heart disease. Influenza, commonly known as the flu, is an infectious disease of birds and mammals caused by an rna virus of the family orthomyxoviridae the influenza viruses. Images, photos, and illustrations of influenza viruses and related topics cdc. Information for specific groups avian influenza flu. Birds, pigs, horses, ferrets, dogs, and cats can all be infected with various strains of the influenza virus. Treating influenza flu centers for disease control and. Skip directly to site content skip directly to page options skip directly to az link.

One of three types of virus that cause the illness called influenza. Pdf textbook of influenza, 2nd edition researchgate. Aim of this article is provide an overview of the structure of influenza virus and linking of the individual structures in the life cycle of influenza virion. Cuando alguien con gripe tose, estornuda o habla, expulsa pequenas gotas. Unless otherwise stated, user may print or download information from. In this animation, nprs robert krulwich and medical animator david bolinsky explain how a flu virus.

Influenza a h5n1 virus avian influenza continues to cause sporadic human infections in some countries, with 72 cases 32 deaths reported in 2009 in 5 countries. They are more closely related to each other than to influenza virus a iva or influenza virus b ivb, containing seven genomic segments and a hemagglutininesterase he. The influenza a virus can infect people, birds, pigs, horses, and other animals. Influenza d virus is a species in the virus genus influenzavirus d, in the family orthomyxoviridae, that causes influenza influenza d viruses are known to infect pigs and cattle. It is clear that transformative change of influenza vaccines requires a rethink of how we immunize. Antiinfluenza drugs mimic the natural sialic acid substrate of the virus. Diagrama del origen del virus h7n9 cdc pdf 129 kb, 1 pagina alta resolucion 1 mb. This work is licensed under a creative commons attribution. The regular sharing of quality influenza surveillance and monitoring data by countries allows who to.