Health Guide Physiology Topics, Influenza, What Causes, map image of the causes of Flu or Influenza

Influenza, What Causes Flu

Influenza or flu is an infectious disease caused by an influenza virus. it called seasonal influenza because it occurs primarily in the colder months. Symptoms can be mild to severe depending on the resistance. Influenza is an acute viral respiratory infection that causes significant morbidity and mortality worldwide. Flu infected up to 26 million people in the United States in just four months and has killed 25,000 people so far. Despite that, people don’t care and infected individuals face it by consuming soap and analgesics. So far Flu killed more people than coronavirus. Meanwhile, the world is busy with the coronavirus, Flu still kills more people. 

Three distinct types of influenza viruses that infect humans

There are three types of influenza which cause disease in humans. Influenza A, B, and C. Type A is a type which is responsible for causing pandemics. That is because of its high susceptibility to antigenic variation. Influenza A infects multiple species, including humans, swine, equines, and birds. 

Symptoms of flu

The most common symptoms of flu include high fever, runny nose, sore throat, discomfort, pharyngitis, shortness of breath, muscle and joint pain, or myalgia and fatigue, headache, coughing as well as Haemoptysis and feeling tired. In some cases, diarrhea and vomiting can occur in “stomach flu”. These symptoms typically begin two days after exposure to the virus and last more than one week. Some of the complications of influenza may include viral pneumonia, secondary bacterial pneumonia, brain cell loss, sinus infections, and worsening of previous health problems such as asthma or heart failure.

The Cause and treatment of flu

Hygiene, foreigners, health status, the air or crowds or coughs, and sneezes are a potential cause of flu. In addition, there are relatively strong links between resistance “immunity” or “health” and coughs and sneezes. To strengthen your immunity, our recommendation is to keep your body hydrated and loaded with Zinc and vitamin D3 to avoid flu. Check our flu map to see the common causes of flu. Annual influenza vaccination is recommended for all people six months and older who do not have contraindications.

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