HealthBlood test could tell if a fever is due to infection or other diseases Analysis of gene activity in a blood sample can help determine if a fever is caused by bacterial infection, a virus or an inflammatory disease News
HumansPlague first came to Britain from Europe at least 4000 years ago DNA from Yersinia pestis, the bacterium that caused the Black Death, has been found in the teeth of three people who lived in Britain during the Bronze Age News