What type of microorganism is influenza?
Influenza, commonly called “the flu,” is an illness caused by RNA viruses (Orthomyxoviridae family) that infect the respiratory tract of many animals, birds, and humans.
Is influenza A virus or bacteria?
What is Influenza (Flu)? 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.
The flu is a viral infection caused by the influenza virus, a respiratory virus. The common cold is also a viral infection caused by the adenovirus or coronavirus and there are many, many subsets with a lot of variability.
What is the portal of entry for influenza?
Influenza transmission occurs when the influenza virus (Infectious Agent), lives and grows in the client’s/patient’s/resident’s lungs and air passages (Reservoir), exits the respiratory tract through coughing and sneezing (Portal of Exit), travels via hands, surfaces and droplets (Mode of Transmission), and gains entry …
Where does the influenza virus come from?
Most influenza viruses that infect humans seem to originate in parts of Asia, where close contact between livestock and people creates a hospitable environment for mutation and transmission of viruses.
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.
What is the incubation period for flu?
The incubation period of influenza is 2 days long on average but may range from 1 to 4 days in length.
Does influenza go away on its own?
If you have influenza, you can expect the illness to go away on its own in about 7 to 10 days. In the meantime, you can take steps to feel better: Get extra rest. Extra rest can help you feel better.
How long do viruses last?
A viral infection usually lasts only a week or two. But when you’re feeling rotten, this can seem like a long time! Here are some tips to help ease symptoms and get better faster: Rest.