Influenza A and Influenza B Treatment While over-the-counter medications cannot cure the flu, they can help ease your symptoms while you wait for it to run its course. If you’re suffering from a sore throat, h
Influenza A vs. Influenza B Transmission Symptoms Diagnosis Treatments Medications Flu Shot Prognosis Complications Prevention Flu & COVID What is flu (influenza)? Picture of the influenza virus Influenza, commonly called "the flu," is an illness caused by RNA viruses (Orthomyxovirida...
Influenza is caused by any of several closely related viruses in the familyOrthomyxoviridae(a group ofRNAviruses). Influenza viruses are categorized as types A, B, C, and D. These major types generally produce similar symptoms but are completely unrelated antigenically, so that infection with one...
Three types of flu viruses affect humans: types A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu, but its symptoms are much less severe. The last type o...
Influenza B Virus抗病毒药流感流感病毒A型, 人流感病毒B型唾液酸类The efficacy and safety of zanamivir, administered 2× or 4× daily over 5 days, was evaluated in the treatment of influenza infections. A total of 1256 patients entered the study; 57% of those randomized h...
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.
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 respiratory tract infection with fever and sore throat, cough and malaise. If the ...
Influenza A and B viruses cause seasonal epidemics of disease almost every winter in the United States, while influenza C causes only mild respiratory symptoms and is not thought to cause epidemics, according to the CDC. A fourth type of influenza, type D, is not known to cause illness in ...
It mutates less rapidly than influenza A, and there is only one influenza B subtype, although there are currently two major lineages that exhibit antigenic differerences (Fujian-like viruses and B/Shanghai-like strains). In humans, common symptoms of influenza infection and syndrome are...
The incubation period or illness onset time (time between exposure and symptoms) for the flu is from 2-4 days. Flu vs. Cold Many people commonly and incorrectly confuse influenza infection (the flu) with the common cold. The common cold is a mild infection frequently caused by many ...