When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

Although introduced as a means of summarizing a multidimensional assessment in an epidemiological setting, the CFS quickly evolved for clinical ... and it has been used extensively in that format. We ...

According to the WHO, the proportion of the world’s population aged over 60 years will almost double, from 12% to 22%, ...