is the flu a virus
Flu A viruses can be broken down into sub-types depending on the. The flu virus is highly contagious.
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The fluor influenzais a highly contagious respiratory virus caused by one of three different virus types.
. One genus includes influenza A and B viruses and the other comprises influenza C viruses. Influenza or flu is a contagious respiratory infection caused by several flu viruses that infect the nose throat and lungs. Influenza flu is a contagious respiratory illness caused by influenza viruses that infect the nose throat and lungs. They have some common symptoms.
The three virus types differ in host range and pathogenicity. Its what flu viruses do Hensley said. Viruses of the family Orthomyxoviridae contain six to eight segments of linear negative-sense single stranded RNA. The flu is a virus not bacteria that spreads mostly from person to person and typically around the fall through spring months.
People infected with the seasonal flu virus feel miserable with fever chills muscle aches coughing congestion headache and fatigue for a week or so. The main way that illnesses like colds and the flu spread from person to person is through the droplets. Types A and B. Some people such as older people young children and people with certain health conditions are at higher risk of serious flu complications.
Flu viruses mutate all the timefar more than other viruses including the. Influenza A viruses are the only influenza viruses known to cause flu pandemics ie global epidemics of flu disease. There are four types of influenza viruses. When a new virus emerges that can easily infect people and be spread between people and to which most people have no immunity it can turn into a pandemic.
Human influenza A and B viruses cause seasonal epidemics of disease known as the flu season almost every winter in the United States. There are two main types of human flu viruses. Influenza or flu is a virus that attacks the respiratory system. The flu vaccine that most people get does not contain live virus.
Another pandemic caused by a new influenza virus is a certainty. These shots are made with inactivated viruses meaning that the viruses. The best way to prevent flu is by getting a flu vaccine each year. The flu A and B viruses that routinely spread in people are responsible for seasonal flu epidemics each year.
But through closer comparison they can affect people differently. The symptoms of flu tend to occur faster and can have greater variation. COVID-19 is caused by infection with a coronavirus first identified in 2019 and flu is caused by infection with influenza viruses. They have a total genome length that is 1000014600 nucleotides nt.
But COVID-19 is more likely to lead to severe illness or death. COVID-19 and flu share some similar symptoms. The influenza virus is constantly mutating essentially putting on ever-changing disguises to evade our immune systems. Influenza A B or C.
Flu is a contagious respiratory illness caused by influenza viruses that infect the nose throat and sometimes the lungs. When an infected person coughs sneezes. COVID-19 and the flu are both contagious respiratory diseases caused by viruses. Also since the flu has been around much longer doctors know more about how to treat and prevent it while they continue to learn more about COVID-19.
It can cause mild to severe illness and at times can lead to death. It is speculated that the flu pandemic of 1890 may have been caused by this spillover event and not by the influenza virus because of the related timing neurological symptoms and unknown causative agent of the pandemic. Influenza viruses of the family Orthomyx-oviridae are enveloped negative-strand RNA viruses with segmented genomes containing seven to eight gene segments. The influenza A genome for instance has eight pieces of segmented negative-sense RNA 135 kilobases total.
Influenza flu and COVID-19 are both contagious respiratory illnesses but they are caused by different viruses. We have been monitoring this virus for several months he said. A B C and D.
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