MedPage Today (2/19, Gever) reports that the Food and Drug Administration announced that Gilead Sciences has issued a voluntary recall for “one lot of cidofovir for intravenous infusion (Vistide),” which is used to treat cytomegalovirus (CMV) retinitis in patients with AIDS, because of some vials contain an unknown particulate. The recall “involves lot number B120217A, with an expiration date of May 2015. It was distributed in the US, Canada, and Europe to pharmacies and wholesalers,” according to Gilead, which noted that thus far, it has “not received any complaints or reports of patient injury stemming from the problem.”