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- Swine flu detected in UK person: What is H1N2 virus?
  Yahoo News UK· 2 weeks ago
  They probably also circulated continuously in humans, undergoing gradual antigenic drift and causing annual epidemics, until the 1950s." Is swine
- First case of swine flu in humans detected in UK – expert Q&A
  The Conversation· 2 weeks ago
  A British man has contracted swine flu, the first detected human case recorded in the UK. Why is swine flu currently ...