HC Deb 16 December 1987 vol 124 c593W
Mr. Butler

To ask the Secretary of State for Social Services what information he has to how many days' infectivity in high-titred dried material remains detectable under laboratory conditions.

Mr. Newton

Work conducted in France and in the United States has indicated that high titred HIV in a dried biological medium can retain some detectable infectivity for cell cultures for three to seven days.

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