The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The Roche Amplicor PCR kit was used to detect HIV-1 DNA in UK patients of known serostatus. Four false-negative and/or equivocal results were obtained from patients who were known to be anti HIV seropositive (Tosswill et al., 1994). Cells from the blood of these patients were shown to contain HIV DNA after extraction, concentration and amplification by nested PCR using primers flanking those in...