Healthcare workers who had been actively involved in SARS work were more "positive" in responding to the impending avian influenza epidemic. Whether the level of preparedness can be sustained would need to be further explored.

The principle of the duality of place and person can be strategically applied in epidemiologic investigation. The characterization of MSM cluster using anonymized network data provides a potentially powerful tool for informing public health intervention.

The overall influenza vaccination rate for nurses in Hong Kong was about 50%. It was affected by the perceived threat of an impending outbreak. The attitudes of nurses toward the effectiveness of and rationale for vaccination were a major barrier to increasing the rate of vaccination.

This pragmatic, low burden, self-administered scale can be applied in clinical and research settings to obtain reliable information on the attitudes of patients on a range of interrelated issues in the recovery stage that follows a first-episode psychosis.

This pragmatic, low burden, self-administered scale can be applied in clinical and research settings to obtain reliable information on the attitudes of patients on a range of interrelated issues in the recovery stage that follows a first-episode psychosis.