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H1N1 Influenza
Dr. Sukumar T K
Father Muller Medical College &
Hospital
Mangalore
A/H1N1 Virus
• Index Case – Mexico in March 2009
• By end of 2009 – PANDEMIC
• Virus – “2009 H1N1 Virus”
• SWINE FLU / HUMAN FLU
– REASSORTMENT
• Glycoproteins –
– Heamagglutinin – Binds to receptors
– Neuraminidase – Helps initiate the infection
Spread
• Swine Flu doesn’t often infect people, and in
past have mainly affected people who had
contact with pigs.
• Current ‘swine flu’ outbreak is different. It can
spread from person to person among people
who have not had any contact with pigs.
Person to Person??
• This virus can survive for hours on surfaces.
– Upto 48hrs on hard non porous surfaces like
stainless steel.
– 12 hrs on cloth and tissues.
• Few min on your hand. So??
contd
• Spread primarily
through respiratory
droplets.
1. Coughing
2. Sneezing
3. Touching with
contaminated hands.
Risk?
• Pregnant women – six times more likely than
non pregnant women.
• Young children – under 2 yrs.
• Lung diseases – COPD.
• Asthma.
• Immune Suppression – HIV, Ca therapy.
• Liver, kidney, neurologic problems.
Medical Emergency - Adult
• Breathing difficulty.
• Chest pain
• Sudden dizziness
• Confusion
• Severe vomiting
• Confusion
Medical Emergency - Children
• Fast breathing
• Bluish or grey skin
• Not drinking fluids
• Not waking up
• Severe vomiting
• Fever with rash
Diagnosis
Cost??
Categories
Treatment
• Tamiflu or Relenza
• These antiviral drugs are most effective when
taken within 48 hours of the start of flu
symptoms.
• It's resistant to older flu drugs.
Not everyone needs treatment with these anti-
flu drugs. Most people who come down with
H1N1 swine flu recover fully -- without
antiviral treatment
• H1N1 Does not spread
by eating pork.
Will Mask Help??
Vaccine
Clinical tests show the 2009 H1N1 vaccine works
remarkably well.
• People ages 10 and older need only one dose of
the vaccine. Protection begins about eight days
after vaccination.
• Kids under age 10 will need two vaccinations,
given three weeks apart.
• The vaccine is highly effective -- and, according
to early results from clinical trials, very safe -- in
pregnant women
H1 N1 influenza
H1 N1 influenza

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H1 N1 influenza

  • 1.
  • 2. H1N1 Influenza Dr. Sukumar T K Father Muller Medical College & Hospital Mangalore
  • 3. A/H1N1 Virus • Index Case – Mexico in March 2009 • By end of 2009 – PANDEMIC • Virus – “2009 H1N1 Virus”
  • 4. • SWINE FLU / HUMAN FLU – REASSORTMENT • Glycoproteins – – Heamagglutinin – Binds to receptors – Neuraminidase – Helps initiate the infection
  • 5.
  • 6.
  • 7. Spread • Swine Flu doesn’t often infect people, and in past have mainly affected people who had contact with pigs. • Current ‘swine flu’ outbreak is different. It can spread from person to person among people who have not had any contact with pigs.
  • 8. Person to Person?? • This virus can survive for hours on surfaces. – Upto 48hrs on hard non porous surfaces like stainless steel. – 12 hrs on cloth and tissues. • Few min on your hand. So??
  • 9. contd • Spread primarily through respiratory droplets. 1. Coughing 2. Sneezing 3. Touching with contaminated hands.
  • 10. Risk? • Pregnant women – six times more likely than non pregnant women. • Young children – under 2 yrs. • Lung diseases – COPD. • Asthma. • Immune Suppression – HIV, Ca therapy. • Liver, kidney, neurologic problems.
  • 11.
  • 12. Medical Emergency - Adult • Breathing difficulty. • Chest pain • Sudden dizziness • Confusion • Severe vomiting • Confusion
  • 13. Medical Emergency - Children • Fast breathing • Bluish or grey skin • Not drinking fluids • Not waking up • Severe vomiting • Fever with rash
  • 17. Treatment • Tamiflu or Relenza • These antiviral drugs are most effective when taken within 48 hours of the start of flu symptoms. • It's resistant to older flu drugs.
  • 18. Not everyone needs treatment with these anti- flu drugs. Most people who come down with H1N1 swine flu recover fully -- without antiviral treatment
  • 19. • H1N1 Does not spread by eating pork.
  • 20.
  • 22. Vaccine Clinical tests show the 2009 H1N1 vaccine works remarkably well. • People ages 10 and older need only one dose of the vaccine. Protection begins about eight days after vaccination. • Kids under age 10 will need two vaccinations, given three weeks apart. • The vaccine is highly effective -- and, according to early results from clinical trials, very safe -- in pregnant women