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Swine Flu, H1N1 virus

What is Swine Flu (H1N1)

Swine flu is an Influenza (H1N1) virus, which attacks the human being. It is a contagious respiratory disease. There are many types of influenza, but the three types are common.

Type A – Infects both Human and other species. It causes significant disease, epidemic (a widespread occurrence of an infectious disease in a community at a particular time) and pandemic (prevalent over a whole country or the world)

Type B – Infects only human being. It causes significant disease, mild epidemics.

Type C – Infects only human being. It causes significant disease,

Why Influenza Spread Faster?

Influenza spread fast, because….

  • There is a short incubation period.
  • A person is having absent or low immunity power.
  • Found large number of subclinical cases
  • A high portion of the susceptible population.
  • Absence of cross-immunity

Influenza Surveillance

Influenza H1N1 having incubation period is 1-7 days. It means the person gets infection 1 day and after 1day onset of illness is started.

Incubation Period means the period between exposures to an infection. The first system appears.

Close contact – means a person who is having Influenza H1N1 or Swine flu will come in contact within 6 feet of an ill person. Who is a confirmed, probable or suspected case of influenza

A person who has suspected case of influenza occurs with an acute febrile respiratory illness, which commonly in the form of…

  • High-grade fever ( >38 degree C)
  • Severe Pharyngitis
  • Running nose & cough
  • Body ache
  •  Headache

When Influenza Like Illness (ILI)

  • Sudden onset of fever is >38 degree.
  • Sore throat
  • Cough
  • Absence of other diagnoses

Severe Acute Respiratory Influenza (SARI)

When baby is > 5 years

  • Sudden onset of fever is >38 degree.
  • A · sore throat
  • Cough
  • Shortness of Breath or Difficulty in Breathing
  • Require hospital admission

When baby is < 5 years

  • Pneumonia can be developed
  • Required hospitalization.

Who All at High Risk

  • Children below 5 years of age
  • Adult above 65 years of age
  • Pregnant Women
  • HIV/AIDS Patients
  • Immunocompromised Patients
  • Patient who are on steroid treatment
  • The person having heart, lung, liver kidney diseases.
  • The person having Blood and neurological disorders.

Government Laboratories for testing Influenza An H1N1 testing in state

  • NIV – Pune
  • Haffkine Institute – Mumbai
  • Kasturba Hospital – Mumbai
  • IGMC – Nagpur

Private Laboratories for testing Influenza An H1N1 testing in state

  • SRL Religare – Collection centers at various cities
  • Dr. Lal Pathology lab – Collection centers at various cities
  • Ruby Hall Hospital – Pune
  • Golwilkar Laboratory – Pune
  • H. Diag. Lab – Pune
  • Poona Hospital – Pune
  • Aditya Birla Hosp.PCMC – Pune
  • Metropolis laboratory – Mumbai
  • Holy Spirit H. Lab. – Mumbai
  • Infexn Laboratory – Thane
  • Ashvini hospital – Solapur
  • Kokilaben Ambani Hosp. Lab. – Mumbai
  • Coly Life Diag. Lab. – Mumbai
  • Hinduja Hosp. Lab. – Mumbai
  • Sunflower Diag. Lab. – Mumbai
  • Sub Urban Diag. Lab. – Mumbai
  • Bhide Lab. – Mumbai

Guidelines for Sample Collection

  • The swab should be collected with the detailed history of the patient.
  • Always collect swab before taking treatment (Oseltamivir).
  • For swab, collection patient has to be hospitalized.
  • The sample should not be collected when the patient is asymptomatic.
  • Do not collect swabs after more than 8 days of onset of illness.
  • You have to do it another blood test e.g. Dengue, Malaria, Leptospirosis etc.

How to Collect Sample

  • Nasopharyngeal/oropharyngeal swabs – collect a swab from the nose and throat.
  • Secretion from the lavage
  • Secretion from the bronchus and alveolar

Read More – Treatment for the Swine Flu