Swine flu is spreading rapidly in Hong Kong. The flu virus has been found in pigs in some areas, after which the authorities have ordered the slaughter of 900 pigs. In addition, the authorities will also check other farms.
What is swine flu?
Swine flu is a respiratory disease of pigs caused by type A flu viruses that regularly cause outbreaks of flu in pigs. Swine flu viruses can cause high levels of illness in pig herds, but usually cause few deaths. Common signs of illness in pigs include fever, coughing, runny nose or eyes, sneezing, breathing problems, eye redness, and not eating. However, infected pigs also may not show signs or only be mildly sick.
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