Virus dela influenza a y b pdf

This limited host range is apparently responsible for the lack of associated influenza pandemics in contrast with those caused by the morphologically similar influenza a virus as both mutate by both antigenic drift and. Influenza a can be found in many species, including humans, birds, and pigs. Bautista garcia diana olimpia pacheco guendulain francisco javier. Influenza diagnosis clinical and epidemiological characteristics increase of febrile respiratory illness lab isolation of influenza virus from clinical specimen e. Estos medicamentos han estado disponibles desde 1999.

There are actually four different types of influenza viruses. Department of health and human services centers for disease control and prevention. Influenza a and b are the two types of influenza that cause epidemic seasonal infections nearly every year. Department of ealth and man services centers for disease control and prevention. Mar 17, 2016 today we talk about the influenza virus, how dangerous is it, how it invades us, its roll as a cause of pneumonia and how we may protect us from it. Today we talk about the influenza virus, how dangerous is it, how it invades us, its roll as a cause of pneumonia and how we may protect us from it. Sick patients demand medical care and hospitalization. Influenza is a highly contagious acute viral infection of the respiratory tract. Department of health and human services centers for disease control and.

Infection occurs at all ages, but during epidemics the morbidity is higher at extremes of life. Relenza no debe ser usado por ninguna persona con problemas respiratorios, como asma o epoc, por ejemplo. The scientific and healthcare community has been underplaying this important event and influenza b has been labelled as the b team compared to influenza a. Influenza virus flu caused the worst disease mediated devastation in recorded human history in 1918, when global death was estimated to be between 50 and 100 million people 1. Are people living near modern swine production facilities at increased risk of influenza virus infection.