1876: Alexander Graham Bell invents the telephone, for which he receives two patents. With two financial backers founds the company that becomes AT&T. 1877: The Bell Telephone Company, the first predecessor company to AT&T, is formed and issues stock to the seven original shareowners.
Viral Hepatitis is considered to be contagious between people. Generally the infectious agent may be transmitted by saliva, air, cough, fecal-oral route, surfaces, blood, needles, blood transfusions, sexual contact, mother to fetus, etc. Viral Hepatitis, although infectious, is not a genetic disease.It is not caused by a defective or abnormal gene. The contagious disease, Viral Hepatitis, can be transmitted: 1  by sexual conduct between people. 2  from person to person by blood. 3  from the mother to her fetus.4  from person to person by saliva, air, coughing, contact, surfaces, fecal-oral route, etc.he contagious disease, Viral Hepatitis, can be transmitted: 1  by sexual conduct between people. 2  from person to person by blood. 3  from the mother to her fetus. 4  from person to person by saliva, air, coughing, contact, surfaces, fecal-oral route, etc.
Viral hepatitis is the most common cause of hepatitis worldwide. Other common causes of non-viral hepatitis include toxic and drug-induced, alcoholic, autoimmune, fatty liver, and metabolic disorders. Less commonly some bacterial, parasitic, fungal, mycobacterial and protozoal infections can cause hepatitis.