But in the current issue of The New England Journal of Medicine, Thai doctors report two cases of apparent human-to human transmission of the bird flu.

FORBES: A Killer Virus Spreads

In other domestic news, the World Health Organization is watching out for mutations and possible human-to-human transmission of the new H7N9 bird flu strain after two family cluster cases - a father-and-son cluster and a husband-and-wife cluster - were detected in Shanghai, China Daily reports.

BBC: China media: Quake donations debate

The country's Ministry of Health had then moved to allay fears over the outbreak, saying that although further human bird flu cases were possible throughout China, there wouldn't be a large-scale outbreak, Xinhua and CCTV said.

CNN: China records its fourth bird flu death this year