Vampire Burial Skull (image) University of Arizona Share Print E-Mail Caption A rock was inserted into the mouth of a 10-year-old to keep the deceased child from rising from the grave and spreading malaria, researchers believe. Credit Photo courtesy of David Pickel/Stanford University Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.