Influenza Virus

Influenza Virus 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:

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:

Influenza B is caused and responsible for localized Outbreaks on smaller levels (seasonal flu). It causes infection in humans.

Influenza C:

Influecauses causes infection in humans. It is responsible for causing mild respiratory infections in children.

Influenza D:

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 sneezes coughs and talks.
The spreads spread from Person to Person through Air by airborne droplets.
Infected Persons spread influenza.

Symptoms Of Influenza:

• Sore Throat
• Sneezing
• 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.

Treatment:

• Complete Bed Rest.
• Use plenty of fluid.
• Ibuprofen or accetaminophen for Pain my fever.
• Use of corticosteroid drugs.