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.
Hepatitis B is a contagious liver infection caused by hepatitis B virus. There is Hepatitis B virus in the blood and body fluids of infected persons. The disease can be transm â¦ itted through blood, semen, vaginal fluids, and many other body fluids.epatitis B is a viral infection. It is a virus. Only one virus causes Hepatitis B. It infects the liver. A vaccine exists to prevent it. It is blood borne. If you are in the â¦ same room with someone who has it, you will not catch it.