Ficha 3 influenza prevencion by biblioteca eea issuu. Epidemiological factors associated with increased odds for influenza included weeks when. The family library about influenza flu what is influenza flu. A h3n2 virus, or influenza b virus or when the influenza virus type or influenza a virus subtype is unknown. Introduction of asn30asp and thr215ala substitutions in the aduckguangxi532002 backbone conferred increased virulence in mice indicated by survival rate. Human parainfluenza viruses hpivs are the viruses that cause human parainfluenza. Flu virus is spread through coughing and sneezing by people with the flu. Influenza is spread primarily through large respiratory droplets or contamination of surfaces. The flu produces a melting pot of unpleasant symptoms, including. September each year to recommend viruses for inclusion in influenza vaccines2 for use in the.
Goldschmidt, md san francisco general hospital, san francisco, california published online november 30, 2015. Influenza research database strain apuerto rico81934h1n1. The virus can cause croup, bronchiolitis, bronchitis and certain types of pneumonia. Some strains of h1n1 are endemic in humans and cause a small fraction of all influenzalike illness and a small fraction of all seasonal influenza. Randomized, placebocontrolled studies of inhaled zanamivir in the treatment of influenza a and b. The worst of your flu symptoms are behind you and you look forward to getting back to your normal activities. They can all cause lower or upper respiratory infections in adults and children. Human parainfluenza viruses are a significant cause of respiratory tract infection especially in children. National influenza centre national influenza centre 197020 introduction influenza is an important health care and public health problem. Influenza a h1n1 influenza a h1n1 virus is a subtype of influenza a virus and was the most common cause of human influenza flu in 2009. Influenza flu is a contagious disease that spreads around the united states every year, usually between october and may.
Parainfluenza infection case definition summary public health laboratory network case definitions phln0010 version. There are many flu viruses, and they are always changing. Antiviral agents for the treatment and chemoprophylaxis of. Influenza influenza is also called the flu or seasonal flu. Evite tocar ojos, nariz o boca con manos no lavadas. Influenza has been linked to an increase in the number of consultations and visits by gps, as well as to an increased workload in health care and nursing. Virions are approximately 150250 nm in size and contain negative. Similar to respiratory syncytial virus rsv and human metapneumovirus piv, piv is a member of the paramyxoviridae family of viruses and has an rna genome.
Influenza resistente a dos medicamentos antivirales. An 84yearold woman was admitted to the hospital for severe bronchospasm and suspected pulmonary edema. The best way to prevent the flu is by getting a flu vaccine each year. The flu also spreads when a person touches a surface or an object with flu virus on it and then. Human parainfluenza viruses hpivs cause illnesses that affect the respiratory breathing system. The world health organization who convenes technical 1.
Recommended composition of influenza virus vaccines for use. Pdf influenza is a highly contagious acute viral infection of the respiratory tract. These viruses are closely associated with both human and veterinary disease. In addition, a 90yearold woman had a flulike illness but antigenic test results were negative for influenza. Swine influenza is a respiratory disease of pigs caused by type a influenza viruses that causes regular outbreaks in pigs. It is an infection that starts in the nose, throat and lungs and spreads to the whole body. The flu, or influenza, is a viral infection in your respiratory or digestive system. Influenza humana a h1n1, su profilaxis y tratamiento. It can cause mild to severe illness, and at times can lead to death. Swine flu viruses have been reported to spread from persontoperson.
Influenza a h1n1 virus formerly known as swine flu. Parainfluenza is a group of viruses that causes an infection in the respiratory system and closely resembles the common cold. People do not normally get swine flu, but human infections can and do happen. Recommended composition of influenza virus vaccines for use in the 2015 southern hemisphere influenza season. Sep 27, 2011 das181 in patients with parainfluenza the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the u. The flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs.
About 4 days after exposure patients will typically start to develop an abrupt onset of fever, headache, myalgias or dry coughgenerally this presentation will be considered an uncomplicated influenza illness. Das181 in patients with parainfluenza full text view. Jefferson t, di pietrantonj c, rivetti a, bawazeer ga, al. This handout describes human parainfluenza viruses common. The former had pharyngitis and buccal ulcerative lesions. Each year a new flu vaccine is made to protect against three or four viruses that are likely to.
1237 774 1371 826 562 168 25 1081 962 1074 1232 138 553 1184 541 447 946 592 166 1279 55 1510 1200 1407 1363 192 242 1085 1120 318 71 976 1420 1266 107 1437 734 123 976 1031 948 1378 1458 762 462