Swine influenza is an infection caused by any one of several types of swine influenza viruses. Swine influenza virus (SIV) or swine-origin influenza virus (S-OIV) is any strain of the influenza family of viruses that is endemic in pigs

1. Nursing Path
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2. INTRODUCTION
 SWINE INFLUENZA IS
ALSO CALLED AS
SWINE FLU, HOG FLU
AND PIG FLU.
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3. INTRODUCTION
 IT IS AN INFECTION
OF A HOST ANIMAL
BY ANY ONE OF
SEVERAL SPECIFIC
TYPES OF
MICROSCOPIC
ORGANISIM CALLED
SWINE INFLUENZA
VIRUS.
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4. CLASSIFICATION
 THERE ARE THREE
GENERA OF
INFLUENZA VIRUSES.
 INFLUENZA A VIRUS
 INFLUENZA B VIRUS
 INFLUENZA C VIRUS
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5. HISTORY
 SWINE FLU WAS FIRST PROPOSED TO A
DISEASE RELATED TO HUMAN INFLUENZA
DURING 1918 WHEN PIGS BECAME SICK AT
THE SAME TIME AS HUMANS.
 IN 1930 CAUSE OF DISEASE IN PIGS
OCCURRED.
 FOR 60 YEARS THE STRAINS WERE
EXCLUSIVELY H1N1.
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6. HISTORY
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7. CONTD
 BETWEEN 1997 & 2002 NEW STRAINS OF
THREE DIFFERENT SUB TYPES AND FIVE
DIFFERENT GENOTYPE EMERGED.
 THE STRAINS OF GENES DERIVED FROM
HUMAN, SWINE AND AVIAN VIRUSES
HAVE BECOME A MAJOR CAUSE OF
SWINE INFLUENZA.
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8. Contd
 IN 1918 VIRUS HAVE
CIRCULATED IN HUMANS
THROUGH 20th
CENTURY.
 DIRECT TRANSMISSION
FROM PIGS TO HUMAN IS
RARE.
 SWINE FLU HAS
ZOONOSIS IN HUMAN.
 FOUR STRAINS OF
INFLUENZA A VIRUS
SUBTYPE H1N1
INCLUDING 1 STRAIN
ENDEMIC IN HUMAN 1 IN
BIRDS
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9. TRANSMISSION BETWEEN PIGS
 INFLUENZA IS COMMON IN PIGS.
 THE MAIN ROUTE OF TRANSMISSION IS
THROUGH DIRECT CONTACT BETWEEN
INFECTED AND UNINFECTED.
 DIRECT TRANSFER OCCURS EITHER BY
PIGS TOUCHING NOSES OR THROUGH
DRIED MUCUS.
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10. TRANSMISSION TO HUMANS
 PEOPLE WHO WORK
WITH POULTRY AND
SWINE ARE AT
INCREASED RISK OF
ZOONOTIC
INFECTION WITH
INFLUENZA VRIUS.
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11. CONTD
•VACCINATION OF
WORKERS AGAINST
INFLUENZA ARE
IMPORTANT PUBLIC
HEALTH MEASURE.
•PROFESSIONAL
VETERINARIANS ARE
AT RISK OF
INFECTION
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12. INTERACTION WITH AVIAN H5N1
 PIGS ARE UNUSUAL AS THEY INFECTED
WITH INFLUENZA STRAINS WHICH
INFECT 3 DIFFERENT SPECIES:
PIGS,BIRDS AND HUMANS.
 AVIAN INFLUENZA VIRUS H3N2 IS
ENDEMIC IN PIGS IN CHINA AND
DETECTED IN PIGS IN VIETNAM.
 ACCORDING TO DR. P. HABER IS
CAUSED BY IMMUNOPATHOLOGICAL
REACTION.
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13. 1998 US OUT BREAK IN SWINE
 IN 1998 SWINE FLU WAS FOUNDD IN
PIGS IN FOUR U.S. STATES.
 OUTBREAK CONFIRMED THAT PIGS CAN
SERVE AS CRUCIBLE WHER NOVEL
INFLUENZA VIRUSES EMERGE AS A
RESULT OF THE REASSORTMENT OF
GENES FROM DIFFERENT STRAINS.
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14. 2009 OUTBREAK IN HUMANS
 THE 2009 FLU OUTBREAK IS DUE TO A
NEW STRAINS OF SUBTYPE H1N1.
 “WHO” DIRECTOR DECLARED A “PUBLIC
HEALTH EMERGENCY OF
INTERNATIONAL CONCERN” UNDER
RULES OF “WHO’S” NEW INTERNATIONAL
HEALTH REGULATIONS WHEN
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15. SIGN AND SYMPTOMS IN SWINE
 LETHARGY,
SNEEZING
COUGHING
DIFFICULTY IN
BREATHING AND
DECREASED
APPETITE.
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16.  INFECTION CAN LEAD ABORTION.
 MORTALITY IS LOW .
 VIRUS CAN PRODUCE WEIGHT LOSS
AND POOR GROWTH.
 12 POUNDS OF BODY WEIGHT LOSE
WITHIN 3 TO 4 WEEK PERIOD.
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17. SIGN AND SYMPTOMS IN HUMANS
 ACCORDING TO CDC AND PREVENTION , IN
HUMANS THE SYMPTONS OF THE 2009 “SWINE
FLU” H1N1 VIRUS ARE SIMILAR TO THE
INFLUENZA.
 CDC ADVISED PHYSICIANS TO CONSIDER
SWINE FLU INFECTION IN THE DIFFERENTIAL
DIAGNOSIS OF PATIENT WITH ACUTE FEBRILE
RESPIRATORY ILLNESS WHO HAVE BEEN
CONTACT WITH INFECTED.
 DIAGNOSED IS ONLY CONFIRMED AFTER
LABORATORY TESTING OF RESPIRATORY
SAMPLE.
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18. PREVENTION
 PERSONAL HYGIENE
 NUTRITION
 MEDICATION
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19. THANK
YOU
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