4 th swine flu case certified in Japan
Japan confirmed its fourth case of the A(H1N1) flu virus on Sunday in a teenager who returned from a school trip to Canada with the three other Japanese who contracted the ailment, commonly known as swine flu.
Japan confirmed its fourth case of the A(H1N1) flu virus on Sunday in a teenager who returned from a school trip to Canada with the three other Japanese who contracted the ailment, commonly known as swine flu.