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
Fig. 1. Transmission and clinical symptoms of influenza virus. Immunocompromised individuals risk becoming infected by infected people, swine, or birds via respiratory transmission. The virus then invades and replicates in respiratory columnar epithelial cells and causes headache, fever, cough, severe pne...
Influenza A virus vaccine H1N1: Allergic symptoms: 9 case reports
Common sense can help to prevent a flu virus from entering your body Get plenty of rest and eat well . Don't touch things that sick people have used to eat or drink . Wash your hands often and keep your fingers out of your mouth . Avoid people who h...
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
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...
Influenza A virus is a very common respiratory virus causing 3–5 million cases of severe disease each year worldwide1. Symptoms include fever, muscle pain, sore throat and coughing. Most people recover from the infection but between 250.000–500.000 humans succumb to the disease annually1. Exist...
H1N1 influenza A 2009 virus-associated acute severe respiratory symptoms in children with asthma: Response to early treatment with a combination of an antiviral drug and systemic corticosteroidsT., MatsuiT., IwataM., NanbuT., KatsunumaN., Kondo...
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...
A, B, and C are responsible for nearly all the Influenza disease that occurs almost every winter. Infection with type C influenza usually causes either a very mild respiratory illness or no symptoms at all. Infection with type C Influenza are usually caused by either a very mild respiratory ...