16.

  1. It is a genetic disorder.
  2. It is a respiratory condition in pigs.
  3. It is an illness from birds to humans.
  4. It is a gastric ailment.

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17.

  1. Eating pork.
  2. Eating chicken.
  3. Raising pigs.
  4. Breeding birds.

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18.

  1. Running nose.
  2. Inappetence.
  3. Pains all over.
  4. Diarrhea.

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19.

  1. To stay away from crowds.
  2. To see the doctor immediately.
  3. To avoid medications.
  4. To go to the nearby clinic.

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20.

  1. It is a debate.
  2. It is TV program.
  3. It is a consultation.
  4. It is a workshop.

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W:Hello doctor Smith, welcome to our program "Health Journey". Could you tell us something about swine flu.
M:Well, it's a common respiratory ailment in pigs that doesn't usually spread to people.
W:But why are so many people infected?
M:Unlike most cases, this flu virus appears to be a sub-type not seen before in humans or pigs. It has genetic material from pigs, birds and humans, according to the WHO.
W:Then why is it called swine flu? Why pigs are the carriers of this virus?
M:Urn. It's closer to say that pigs were the mixing balls for this virus.
W:What does it mean?
M:I mean birds cannot pass bird flu to people. But pigs are susceptible to getting flu viruses that infected birds. The virus inside the infected pig might mutate to a form that could also infect other mammals.
W:Wow, so complicated. By the way, can we catch swine flu from eating pork?,
M:Actually, ill pigs are not allowed to enter the market. Cooking also kills the virus. Only people who work with pigs can catch the virus.
W:How do they feel if infected?
M:The most common symptoms are fever, fatigue, lack of appetite and coughing, although some people also develop runny nose, sore throat, vomiting or diarrhea.
W:What should we do if we have these symptoms?
M:Stay home from work or school. Don't get on a plane. Call your doctors to ask about the best treatment. Don't simply show up at the clinic or hospital that is unprepared for your arrival.
W:Say, the antiviral study. How is it going?
M:This strain of swine flu does appear sensitive to the antiviral drugs Relenza and Tamiflu, but not to Amantadine and Remantadine.
W:We've learned a lot tonight. Thanks for your coming, doctor Smith.
M:It's my pleasure.