China's government has also advised people to maintain good personal hygiene, including frequent hand-washing and avoid direct contact with sick or dead animals.

BBC: WHO confirms five deaths from China bird flu

The Chinese government has stepped up its disease surveillance, and has advised people to maintain good personal hygiene, including frequent hand-washing and avoiding direct contact with sick or dead animals.

BBC: China culls poultry as bird flu death toll reaches six

Proponents maintain that the operation improves hygiene, in turn, reducing infection and the risk of cancer.

CNN: Health

But the Tranquility Module also is going to serve as a gym, as a hygiene area, as a place a crew can maintain themselves for a long duration.

WHITEHOUSE: President Obama's call to the International Space Station