Pneumonia is the number one largest infectious cause of death in children worldwide. More than 150 million cases of pneumonia occur in each year and it kills about 2,500 children every day. It is most prevalent in South ...
Pneumonia is the number one largest infectious cause of death in children
worldwide. More than 150 million cases of pneumonia occur in each year and it kills about 2,500
children every day. It is most prevalent in South ...
Human Immunodeficiency Virus (HIV) is the virus that causes Acquired Immune Deficiency Syndrome (AIDS). HIV attacks and destroys certain types of white blood cells that are essential to body's immune system, the biological ...