Scientists from Johns Hopkins Medicine and eight other institutions in the United States, Africa and Europe say they have ...

Now, Johns Hopkins Medicine scientists say they have shed new light on how bacteria protect themselves from certain phage ...

Several states are reporting cases of measles, a highly contagious viral disease. Both children and adults can get measles. Before going to a clinic or emergency room, it’s important to check with ...

AIDS (acquired immunodeficiency syndrome) is caused by the human immunodeficiency virus (HIV). This kills or impairs cells of the immune system and progressively destroys the body's ability to fight ...