HIV is spread by bodily fluids such as blood, breast milk or semen. It gradually weakens the body’s immune system and makes it vulnerable to disease, including ones rarely seen in otherwise healthy ...

The authors have undertaken a useful study to update an existing niche model of highly pathogenic avian influenza. However, there are issues regarding the conceptualisation of the ecological niche of ...

The state of Texas is canceling its biennial immunization conference, planned for May, amid uncertainty over how much the U.S. Centers for Disease Control and Prevention could participate while under ...