title: First the bad news....
authors.affiliation: McGill Centre for Tropical Diseases, Montreal, Que.
authors.forename: J D
authors.initials: JD
authors.lastname: MacLean
authors.forename: B J
authors.initials: BJ
authors.lastname: Ward
mesh_terms: D000562:Amebiasis / Q000517:prevention & control; D006801:Humans; D008288:Malaria / Q000517:prevention & control; D011634:Public Health / Q000639:trends*; D012106:Research; D014195:Travel; D014330:Tropical Medicine / Q000639:trends*; D014611:Vaccination