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This document is not a formal publication of the World Health Organization (WHO), and all rights are reserved by the Organization. The document may, however, be freely reviewed, abstracted, reproduced and translated, in part or in whole, but not for sale nor for use in conjunction with commercial purposes. For authorization to reproduce or translate the(More)
BACKGROUND The worldwide outbreak of severe acute respiratory syndrome (SARS) is associated with a newly discovered coronavirus, SARS-associated coronavirus (SARS-CoV). We did clinical and experimental studies to assess the role of this virus in the cause of SARS. METHODS We tested clinical and postmortem samples from 436 SARS patients in six countries(More)
E merging infections have an enormous impact on public health, food supply, economies, and the environment (table S1). Human mortality from recently emerged diseases varies, ranging from less than 100 people thus far for H5N1 avian influenza to about 20 million for AIDS (1). Livestock production has been negatively affected by the direct mortality of(More)
Many new, emerging and re-emerging diseases of humans are caused by pathogens which originate from animals or products of animal origin. A wide variety of animal species, both domestic and wild, act as reservoirs for these pathogens, which may be viruses, bacteria or parasites. Given the extensive distribution of the animal species affected, the effective(More)
Inactivated severe acute respiratory syndrome-associated coronavirus samples were used for an external quality assurance study within the World Health Organization SARS Reference and Verification Network and other reference institutions. Of 58 participants, 51 correctly detected virus in all samples > or =9,400 RNA copies per milliliter and none in negative(More)