Samples should be treated as soon as possible after collection. If this is
impossible, they can be stored for a few hours between +2 and +8°C, or
longer at -20°C (in this case, keep only the supernatant after
centrifugation). Avoid repeated freezing / thawing. Bacteriological
examinations (culture) should be performed as a matter of priority in
order to avoid contamination of the sample. The minimum volume of
sample for testing with the latex kit is 0.5 ml.