Is it sterile?

Each batch of Human AB serum is tested for the absence of bacteria, fungi, yeast, mycoplasma. Our Human AB serum is also sterile filtered to either 0.1 µm pore size-rated filters (US Origin) or 0.2 µm pore size-rated filters (French Origin). Results of microbe testing of each batch of serum is supplied in the COA. However, please note that sterility is not guaranteed after opening. The use of aseptic techniques during handling is recommended.

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