Quick Answer: Is The A Or B Strain Of Flu Worse?

How serious is type A flu?

Type A influenza infection can be serious and cause widespread outbreaks and disease.

Common symptoms of type A infection can be confused with other conditions.

While in some milder cases the flu can resolve on its own without significant symptoms, severe cases of type A influenza can be life-threatening..

What strain of flu is going around 2020?

The committee recommended that the quadrivalent formulation of cell- or recombinant based influenza vaccines for the U.S. 2020-2021 influenza season contain the following: an A/Hawaii/70/2019 (H1N1) pdm09-like virus; an A/HongKong/45/2019 (H3N2)-like virus; a B/Washington/02/2019- like virus (B/Victoria lineage);

How many flu virus strains are there?

There are four types of influenza viruses: A, B, C and D. Human influenza A and B viruses cause seasonal epidemics of disease (known as the flu season) almost every winter in the United States. Influenza A viruses are the only influenza viruses known to cause flu pandemics, i.e., global epidemics of flu disease.

What are the stages of the 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.

How long is the flu contagious?

People with flu are most contagious in the first three to four days after their illness begins. Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick.

Can you have the flu without a fever?

Colds don’t usually come with a significant fever And while you can still have the flu without a fever, the flu typically comes with a few days above 100°F. A flu fever will likely come on fast.

Which flu is worse A or B?

Frequently asked questions about Influenza A and B Influenza type A and type B are similar, but type A is overall more prevalent, sometimes more severe, and can cause flu epidemics and pandemics.

How many strains of flu are there 2020?

Dr. Lee says this year’s flu vaccine covers four strains of the flu that are recommended by the World Health Organization. The strains recommended for vaccination for the 2020-2021 flu season in the northern hemisphere are: A/Hawaii/70/2019 (H1N1)pdm09-like virus. A/Hong Kong/45/2019 (H3N2)-like virus.

How do you treat type A flu?

But if you have a severe infection or are at higher risk for complications, your doctor may prescribe an antiviral drug to treat the flu. These drugs can include oseltamivir (Tamiflu), zanamivir (Relenza), peramivir (Rapivab) or baloxavir (Xofluza).

How do you get Type A flu?

Both influenza A and influenza B are extremely contagious. People who get either type can spread the virus to others from up to six feet away when they cough or sneeze. You can also contract the virus by touching a surface that has the virus on it and then touching your nose or mouth.

How long does it take to recover from type A flu?

Flu symptoms, including fever, should go away after about 5 days, but you may still have a cough and feel weak a few days longer. All your symptoms should be gone within 1 to 2 weeks.

What is the most severe strain of flu?

Lesson #2: Influenza A Symptoms This strain of the flu is also typically the most serious, and often has more severe symptoms than other strains, including coughing, sneezing, sore throat, fever, exhaustion, and chills and body aches. This strain of the flu is most commonly found in humans and animals.

What is the 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.

How long does the 2020 flu last?

Most symptoms get better after about 5 days. But sometimes they can last for a week or more. Even if your fever and aches are gone, you can still feel drained for a few weeks.