Background The International Physical Activity Questionnaire - Short Form (IPAQ-SF) has
been recommended as a cost-effective method to assess physical activity. Several studies …

This paper reviews current understanding of the epidemiology, transmission dynamics and
control of the aetiological agent of severe acute respiratory syndrome (SARS). We present …

The evidence base for the benefit of quitting smoking as regards morbidity and mortality
outcomes in patients with moderate-to-severe chronic obstructive pulmonary disease (COPD) is …

Background Overweight and obesity are increasing worldwide. To help assess their
relevance to mortality in different populations we conducted individual-participant data meta-…

Background Raised blood pressure is an important risk factor for cardiovascular diseases
and chronic kidney disease. We estimated worldwide trends in mean systolic and mean …

We present an analysis of the first 10 weeks of the severe acute respiratory syndrome (SARS)
epidemic in Hong Kong. The epidemic to date has been characterized by two large …

Background Health authorities worldwide, especially in the Asia Pacific region, are seeking
effective public-health interventions in the continuing epidemic of severe acute respiratory …

As the coronavirus disease 2019 (COVID-19) pandemic progresses, one debate relates to
the use of face masks by individuals in the community. We previously highlighted some …

Background To help adapt cardiovascular disease risk prediction approaches to low-income
and middle-income countries, WHO has convened an effort to develop, evaluate, and …

Xestospongins (Xe's) A, C, D, araguspongine B, and demethylxestospongin B, a group of
macrocyclic bis-1-oxaquinolizidines isolated from the Australian sponge, Xestospongia species…