Abstract
Abstract The efficiency of seeded poliovirus and echovirus recovery from 20 litres of tap water was evaluated using a molecular ultrafiltration system. The experiments were performed using a 5μm polypropylene prefilter and two polysulfonate membranes of 105 nominal molecular weight limit. No loss of virus was observed after prefiltration. More than 96% of poliovirus were recovered after elution at pH 10.5 and 83% of echovirus after elution at pH 8.5.
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