Compared with most other viral respiratory infections, such as the common cold, influenza (flu) infection usually causes a more severe illness with a mortality rate (death rate) of about 0.1% of people infected with the virus. Cold symptoms (for example, sore throat, runny nose, cough (with...
The three main types of influenza virus that cause illness in people are named A, B and C. 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, a...
Influenza A is believed to cause more than 70 percent of flu cases in a typical season. Of the remaining 30 percent of flu cases, the majority are caused by influenza B.7Both types of the virus result in similar flu symptoms. The viruses that cause influenza A are constantly evolving, me...
virus, the infectiousness and virulence of the virus decreases. Although outbreaks of influenza viruses are generally most fatal to young children and the elderly, the fatality rate in people between ages 20 and 40 is sometimes unexpectedly high, even though the patients receive treatment. This ...
The treatment of Influenza can be divided into five categories: 1.1. Symptomatic medication Influenza viruses show very specific symptoms upon infection. These include fever, chills, headache, cough, sore throat, myalgia, etc [9]. Medicines specific to these symptoms are often bought by patients ...
Summary Symptoms Diagnosis Prevention Treatment Prognosis What is the Flu (influenza)?Influenza (the flu) is a respiratory infection. It is caused by the influenza virus. Influenza typically is spread by air or by direct contact from one person to another. Influenza virus is very contagious....
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 ...
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
YL. Z. and S. L. conducted pseudotyped virus infection experiments, IFN treatment experiments, and data analysis. L.B. and J.D. evaluated the immunofluorescence, histopathological and immunohistochemical studies. X.L. performed HRV3, HPIV, and HRSV infection experiments. YL. Z and X. L. ...