We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA pandemic warning?Authorsde Jong JC; Claas EC; Osterhaus AD; Webster RG; Lim WLPublicationNature, 1997, Vol 389, Issue 6651, p554ISSN0028-0836Publication typearticleDOI10.1038/39218