But if you only have a slight astigmatism -- your doctor may refer to it as a degree -- and you donât have another vision problem, you may not need them. Irregular astigmatism is far less common and is linked to problems with your cornea, the front part of the eye.
Malaria is one of the most infectious diseases in history. It has infected countless people across the globe and it still kills millions every year. The malaria parasite lives in the gut of the Anopheles mosquito and is transmitted through the bug's bite.
contagious disease (also called a communicable disease) is an infectious disease that is capable of being transmitted from one person or species to another. Apparently they are the same. Not true. Contagious diseases are most often communicable enough to warrant quarantine, whereas communicable diseases (such as the flu) are not.