Influenza is an Acute viral disease. Influenza infection is usually self-limiting and rarely fatal. Influenza can cause mild to severe symptoms in healthy individuals. Another name for Influenza is flu. Flu is a contagious respiratory illness caused by influenza viruses that can be an infection in the throat, nose, and sometimes in the Lungs. Influenza can ever cause life-threatening Complications in some People.
Types of Influenza:
There are four types of Influenza. Influenza A, B, C and Influenza D. A and B are most common.
Influenza A is widely found in humans and Pigs. The Primary source of influenza A is Aquatic Birds. It is responsible for causing the great influenza Epidemic (Seasonal flu).
Influenza B is caused and responsible for localized Outbreaks on smaller levels (seasonal flu). It causes infection in humans.
Influenza C is cause infection in humans. It is responsible for causing mild respiratory infections in children.
It is found in castles and Pigs. Influenza D is not known to cause illness in humans.
Sub Types of Influenza A:
- Subtypes of Influenza A have two Proteins on the surface of the virus.
- Hemagglutinin (H) and neuraminidase (N).
- Hemagglutinin has 18 different Subtypes from Hn to H18.
- Neuraminidase has 11 different Subtypes from N1 to N11.
- Common subtypes of Influenza are found in human A (HINI) and A (H3N2).
Subtypes of Influenza B:
- The common subtype of Influenza B found in humans is B (Yamagata and B Victoria).
Causes of Influenza:
The main cause of Influenza is caused by Influenza viruses. The influenza family of these viruses is called Orthomyxoviridae. That is RNA virus.
Transmission of Influenza virus:
It is transferred when an infected person sneeze and Cough and talk.
The virus spread from Person to Person through Air by airborne droplets.
Infected Persons spread influenza.
Symptoms Of Influenza:
- Sore Throat
- Chills and fever
- Pain in eyes
- Shortness of breath
- Dry Cough
- Runny nose
- Weakness and fatigue
- Vomiting and Diarrhea in Children
How to Perform Influenza Test:
- Rapid Influenza Diagnostic Test
- Reverse PCR
- Nasal Swab required
Sample Collection for Influenza Detection:
- First of all, Nasopharyngeal swabs and nasal aspirate can be collected.
- If these Specimens cannot be coated collected Oropharyngeal swab is acceptable.
Prevention of Influenza:
- Hand washing with sanitizer and Antiseptic soap.
- Every person gets a vaccination every year.
- USE Mask in seasonal flu.
- Complete Bed Rest.
- Use plenty of fluid.
- Ibuprofen or accetaminophen for Pain my fever.
- Use of corticosteroid drugs.