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 respir
Although initially, symptoms of influenza may mimic those of a cold, influenza is more debilitating with symptoms of fatigue, fever, and respiratory congestion. Colds can be caused by over 100 different virus types, but only influenza viruses (and subtypes) A, B, and C cause the flu. In ad...
Influenza, acute viral infection of the upper or lower respiratory tract, marked by fever, chills, and a generalized feeling of malaise. Influenza is caused by viruses in the family Orthomyxoviridae. Learn more about the classification of influenza virus
Influenza C virus causes sporadic upper respiratory tract illness. There are significant differences in genetic organization, structure, host range, epidemiology, and clinical characteristics between the three influenza virus types (Table 167-1). However, all three viruses share certain features, ...
COLLECTION, TRANSPORT, AND STORAGE OF SPECIMENS Influenza viruses infect the respiratory epithelium and can be found in respiratory secretions of all types. The level of virus shedding parallels the severity of clinical symptoms in uncomplicated influenza and is maximal in the first sev- eral days ...
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.
Influenza A virus vaccine H1N1: Allergic symptoms: 9 case reports
Onset of acute respiratory symptoms during hospital stay Hospitalization for acute respiratory illness and potential exposure to the influenza virus Consider for febrile patients with acute respiratory illness (especially those at high risk for complications of influenza) Laboratory studies [10] Confirmato...
Influenza, one of the most common infectious diseases, is a highly contagious airborne disease that occurs in seasonal epidemics and manifests as an acute febrile illness with variable degrees of systemic symptoms, ranging from mild fatigue to respiratory failure and death. Influenza causes significant...
If your symptoms or physical examination suggest something other than the flu, your doctor may order a blood test. He or she will swab your nose and throat for influenza testing.Your doctor may order a chest X-ray. This is likely if he or she suspects that the influenza virus has caused...