Which Strain Of Influenza Is The Worst

Who warns the worst is yet to come. The southern hemisphere including australia just experienced one of its worst influenza seasons in recent history and. Sudden onset of fevers aches headache and cough.

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Influenza c is the mildest of all of the strains.

Which strain of influenza is the worst. Influenza a viruses are the only influenza viruses known to cause flu pandemics i e global epidemics of flu disease. Far less is known about influenza c because it s much rarer and not easily isolated so scientists aren t able to study it in depth. A pandemic can occur when a new and very different influenza a virus emerges that both infects people and has the ability to spread efficiently between people. Ah sweet sweet influenza 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. According to a report in the us centers for disease control and prevention s morbidity and mortality weekly report b victoria viruses appear to be the most common strain affecting individuals under the age of 25 years while influenza a h1n pdm09 viruses are most commonly reported among individuals 25 years and older. This pandemic is estimated to have been responsible for the deaths of 50 100 million people. It typically spreads through respiratory droplets when a person.

Influenza known as the flu is a highly contagious respiratory virus it s most common during the fall and winter months. A b and c. The quadrivalent influenza vaccine components for the australian 2017 influenza season will contain the following. In fact it typically only causes minor respiratory symptoms.

Aussie flu refers to one kind of influenza a virus strain the h3n2 strain. Influenza b is thought to often be milder with more cold like symptoms and frequently some gi symptoms as well. The coronavirus has infected more than 10 3 million people around the world as of tuesday killing at least 505 518 people. An influenza pandemic is an epidemic of an influenza virus that spreads across a large region either multiple continents or worldwide and infects a large proportion of the population.

An a michigan 45 2015 h1n1 pdm09 like virus an a hong kong 4801 2014 h3n2. New flu strain found in china. There are three types of flu viruses. The usual answer is that influenza a is the worse disease and the one that we think of as causing typical flu.

There have been five in the last 140 years with the 1918 spanish flu pandemic being the most severe.