- What is the medical name for the flu?
- What do the H and N mean in flu?
- Whats the difference in Flu A and Flu B?
- What are the long term effects of the flu?
- What are the stages of flu?
- What happens if the flu is left untreated?
- What is a flu related illness?
- What causes most of the damage to your body during the flu?
- How does influenza cause illness?
- Is Flu A or B worse?
- What is difference between Flu A and Flu B?
- What flu strain is going around 2020?
What is the medical name for the flu?
Also called the flu, it’s a common but sometimes serious viral infection of your lungs and airways.
It can cause congestion, fever, body aches, and other symptoms..
What do the H and N mean in flu?
Influenza A viruses are classified by subtypes based on the properties of their hemagglutinin (H) and neuraminidase (N) surface proteins. There are 18 different HA subtypes and 11 different NA subtypes. Subtypes are named by combining the H and N numbers – e.g., A(H1N1), A(H3N2).
Whats the difference in Flu A and Flu B?
Strains of influenza B are exclusively contracted by humans, while influenza A can be carried (and spread) by animals, however, both strains are transmitted mainly by respiratory droplets from coughing and contact with an infected person.
What are the long term effects of the flu?
What Are the Most Common Complications? They include viral or bacterial pneumonia, dehydration, and ear infections and sinus infections, especially in children. The flu can worsen long-term medical conditions, like congestive heart failure, asthma, or diabetes.
What are the stages of flu?
What to expect with the fluDays 1–3: Sudden appearance of fever, headache, muscle pain and weakness, dry cough, sore throat and sometimes a stuffy nose.Day 4: Fever and muscle aches decrease. Hoarse, dry or sore throat, cough and possible mild chest discomfort become more noticeable. … Day 8: Symptoms decrease.
What happens if the flu is left untreated?
In rare cases, the flu can be deadly. Left untreated, the flu can cause: ear infection. diarrhea.
What is a flu related illness?
Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death.
What causes most of the damage to your body during the flu?
While this process causes some lung injury, most of the symptoms of the flu are actually caused by the immune response to the virus. The initial immune response involves cells of the body’s innate immune system, such as macrophages and neutrophils.
How does influenza cause illness?
The flu is caused by influenza viruses that infect the nose, throat, and lungs. These viruses spread when people with flu cough, sneeze or talk, sending droplets with the virus into the air and potentially into the mouths or noses of people who are nearby.
Is Flu A or B worse?
In the past, it was thought that infection with influenza A was more severe than infection with influenza B. However, a 2015 study in adults with influenza A and influenza B found they both resulted in similar rates of illness and death.
What is difference between Flu A and Flu B?
Unlike type A flu viruses, type B flu is found only in humans. Type B flu may cause a less severe reaction than type A flu virus, but occasionally, type B flu can still be extremely harmful. Influenza type B viruses are not classified by subtype and do not cause pandemics.
What flu strain is going around 2020?
Influenza B leading the charge in 2020 flu season.