Put a taxos A disc (impregnated with bacitracin) on the Streptococcus pyogenes and Streptococcus agalactiae smears ... If the tube is colorless (picture on the right) after the addition of Zn this ...

2002). The incidence of bacitracin sensitivities have ranged from 1.5%-9.1% in the past 20 years in patch test patients (Gehrig & Warshaw, 2008). Nursing is the occupation with the highest ...