[1] Sefako Makgatho Hlth Sci Univ, Microbiol Pathol, Ga Rankuwa, South Africa
[2] Natl Hlth Lab Serv, Dept Med Microbiol, Dr George Mukhari Tertiary Lab, Pretoria, South Africa
[3] Univ Limpopo, Pathol, Hlth Sci, Polokwane, South Africa
[4] Natl Hlth Lab Serv, Polokwane Lab, Dept Med Microbiol, Polokwane, South Africa
[5] Univ Venda, Adv Nursing Sci, Hlth Sci, Thohoyandou, South Africa
[6] Univ Limpopo, Dept Paediat & Child Hlth, Polokwane, South Africa