<p>Mark Thomas of VaxTrac in the U.S. will field test a mobile phone-based vaccination registry that uses fingerprint scans to track those who have received immunizations in hopes of reducing redundant doses and boosting coverage levels in developing countries.</p>


Mark Thomas of VaxTrac in the U.S. will field test a mobile phone-based vaccination registry that uses fingerprint scans to track those who have received immunizations in hopes of reducing redundant doses and boosting coverage levels in developing countries.