How do you know if you do have a flu?

你怎么知道你有没有感冒？

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Wild and farm birds often have a flu virus.

野生和农场的禽类经常感染流感病毒。

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I have a flu.

我得了流感。

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Mr.Obama praised his Cabinet and the health experts who have been developing a response to the swine flu.

VOA: standard.2009.05.01

"It is everywhere. So you do not need to have a party to get the swine flu.

VOA: standard.2009.12.18

But the current swine flu is a new strain to which humans have no immunity and against which existing vaccines offer no protection.

VOA: standard.2009.04.30

There are things you can do to minimise some risks such as have a flu jab, stay warm and wash your hands regularly.

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"It's looking more and more like we're going to have a big flu outbreak this fall as soon as the kids get back to school, " Belshe told CNN Radio.

CNN: School: No shortage of volunteers for swine flu vaccine trials

So if you have a cold, flu, cough, bronchitis, those are all viral infections and need antivirals.

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