Communicable disease report. January to March 1985.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004739:England; D005260:Female; D005387:Finland; D006525:Hepatitis, Viral, Human / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D007835:Lassa Fever / Q000635:transmission*; D008297:Male; D011051:Poliomyelitis / Q000453:epidemiology*; D012807:Sierra Leone; D006113:United Kingdom; D014852:Wales; D014917:Whooping Cough / Q000453:epidemiology*