TABLE 1.

Genotypes of P. jiroveci isolates at the mt LSU rRNA and DHPS loci by year and sulfa exposure

Isolate groupNo. of isolates with indicated genotype at locusa
mt LSU rRNADHPS
1234Mixed1234Mixed
London 1992-1993 (n = 25)
    Sulfa exposed41301b41040
    Not exposed12c310012c2101d
Zimbabwe 1992-1993 (n= 14)
    Sulfa exposed0000000000
    Not exposed41801e131000
London 2000-2001 (n= 12)
    Sulfa exposed0000000000
    Not exposed425f10101001d,f
  • a Genotypes are numbered according to the method of Beard et al. (2).

  • b Genotypes 1 and 4.

  • c Five patients had received sulfa drugs >3 months previously.

  • d Genotypes 1 and 2.

  • e Genotypes 1 and 3.

  • f One patient had received sulfa drugs> 3 months previously.