... and specimens are in progress.2. Persons wash their hands after they handle viable mate-rials, after removing gloves, and before leaving thelaboratory.3. Eating, drinking, smoking, handling ... attributed to carelessness or poor tech-nique in the handling of infectious materials. In 1949, Sulkin and Pike3, published the first in a series ofsurveys of laboratory-associated infections. ... documentedaccident. The majority of these were related to mouth pipetting and the use of needle and syringe.This survey was updated in 1965,5, addin g 641 new or pre vi-ously unreported cases, and...