H1N1 Swine Flu Influenza: Swine flu commonly known as the H1N1 virus is termed as the new strain of an influenza virus. Actually Swine flu is caused by the H1N1 virus strain, which started in pigs. It is H1N1 virus which is responsible for the Swine flu symptoms in our body.  It's called swine flu because earlier the people who caught it had direct contact with pigs and so it is known as the Swine Flu. It badly damages human's respiratory system and it also a highly contagious disease.

 The all we need to know about the Swine Flu or H1N1 virus is  its history, symptoms, how this contagious infection is transmitted, prevention. We also be aware about what is the first sign for its symptoms appears on our body. The basis symptoms which our body witnesses due to the Swine flu includes fever, cough, sore throat, weakness and aches on our body.We must be aware about Swine Flu or H1N1 Swine Flu Influenza prevention which has emerged as one of the most dangerous diseases now a day. People generally ask about what it the first signs of swine flu, Is Swine flu dangerous and other related concerns...etc which the general concerns of the people are.  You can get all the answers related to Swine Flu for all those questions in the article.

Swine flu (H1N1) has once again emerged as its presence with the growing incidence in our society. It has always caused a major health concern in India.  Government is providing all the help to treat the Swine flu patients. 

We must be aware about swine flu prevention, What it the first signs of swine flu, Is Swine flu dangerous and other related concerns. You can get answers for all those questions in the article. 

What is Swine flu?

Seasonal Influenza ( H1N1) is a self- limiting viral, air borne diseases spread from person-to-person, through large droplets generated by the act of coughing and sneezing, indirect contact by touching a contaminated object or surface (fomite transmission like telephone, cell phones, computers, door handles, door bells, pens, toys etc) and close contact (including hand shaking, hugging, kissing )

History of Swine flu

According to the report, swine flu (H1N1) was first found in the year 1918. It has been said that it has originated from the pigs and at the same time this disease was also found in the humans. In the year 1930, it was first identified that the influenza virus is the cause of the disease in the pigs and humans.

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For the last 60 years, swine flu influenza virus remained almost same e.g. H1N1. After that between the years 1997 and 2002, new strains of the virus emerged.

Report said that over the past two years, H5N1 has been joined by newly detected H5N2, H5N3, H5N6, and H5N8 strains and currently it is circulating in different parts of the world. WHO has already warned about the Swine Flu and its outbreak might be worse than the 2009 outbreak.

Swine Flu Symptoms first signs

Patients suffering from Swnid Flu displays symptoms like Fever &  Cough, Sore throat, Runny or Stuffy Nose, Difficulty in Breathing. Other symptoms may include Body Aches, Headache, Fatigue, Chills, Diarrhea and Vomiting and Blood Stained Sputum.

Category- A   

Mild fever plus cough / sore throat with or without bodyache, headache, diarrhoea and vomiting
No medication (Oseltamivir) and no testing required for category- A patients.


(i) In addition to all the signs and symptoms mentioned under Category-A, if the patient has high grade fever and severe sore throat, may require home isolation and Oseltamivir.
(ii) In addition to all the signs and symptoms mentioned under Category-A, individuals having one or more of the high risk conditions shall be treated with Oseltamivir.
No test for Influenza is required for Category-B (i) and (ii) patients.

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High Risk Group : Children with mild illness but with predisposing risk factors, Pregnant women, Persons aged 65 years or older, Patients with lung diseases, heart disease, liver disease, kidney disease, blood disorders, diabetes, neurological disorders, cancer and HIV/AIDS, Patients on long term cortisone therapy.
In addition to the  signs and symptoms of Category-A and B, if the patient has one or more of the following danger signs  Breathlessness, chest pain, drowsiness, fall in blood pressure, sputum mixed with blood, bluish discolouration of nails.
 Children with influenza like illness who had a severe disease as manifested by the red flag signs (Somnolence, high and persistent fever, inability to feed well, convulsions, shortness of breath, difficulty in breathing, etc). 
Worsening of underlying chronic conditions
All these patients mentioned above in Category-C require testing, immediate hospitalization and treatment.


  • Cover your nose and mouth with disposable tissue or handkerchief  while coughing or sneezing
  • Frequently wash your hands with soap and water
  • Avoid crowded places
  • Person suffering from Seasonal Influenza  must be confined at home
  • Stay more than one arm's length distance from persons sick with flu
  •  Take adequate sleep and rest
  • Drink plenty of water/liquids and eat nutritious food
  • Person suspected with Influenza like illness must consult doctor
  • Touching eyes, nose or mouth with unwashed hands
  • Hugging, kissing and shaking hands while greeting
  •  Spitting in public places
  • Taking medicines without consulting doctor
  •  Excessive physical exercise
  • Disposal of used napkin or tissue paper in open areas
  • Touching surfaces usually used by public (Railing, door gates, etc)
  • Smoking in public places
  • Unnecessary testing.
Note: Please note that the tips/suggestions mentioned in the article are only for general information purposes to keep you updated about the issue which is expected to common people and these should not be construed/ followed as professional medical advice. We recommend and request you always to consult your doctor or a professional healthcare provider if you have any specific questions about any medical matter regarding the topic. 

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