Purified elementary bodies, disrupted. Cross-reacts with Chlamydia psittacii & Chlamydia pneumoniae (TWAR). Negative against HEp-2 cells and egg yolk sac. All antigens of strain L2

Short-term (up to 6 months) store at 2-8°C under subdued light. Long term, aliquot and store at -20 °C. Avoid multiple freeze/thaw cycles.