The abundance of viral DNA was measured in DNA sequenced from blood and saliva samples in biobanks, revealing strong correlations with age, sex and dozens of genetic variants. Genetic analyses indicate that a high abundance of latent Epstein–Barr virus is a causal risk factor for a blood cancer called Hodgkin’s lymphoma.

In 1996, a human skull found in Arcata went unidentified. DNA testing has now identified the remains as Gregory Hugh Oliver, missing since 1983.

Short tandem repeat profiling of bathwater showed that DNA quantity jumps sharply after a person is immersed in the water for more than 1 min. Credit: Shutterstock Bathwater could be an untapped source of forensic DNA,

A DNA sample was obtained from the remains and entered into both the California Missing Persons DNA Database and the National Unidentified Persons DNA Index. The DNA profile was routinely compared against profiles from missing persons and other human remains in the Combined DNA Index System (CODIS),