of state of a given State certified the ratification, or the date on which the Secretary of State. of the United States received a copy of said certificate, or the date on which he proclaimed that. the amendment had been ratified are not controlling.
Knowledge center. Rubella, also known as German measles, is an infectious disease caused by the rubella virus. The virus passes from person-to-person via droplets in the air expelled when infected people cough or sneeze-the virus may also be present in the urine, feces and on the skin.ubella is caused by an extremely infectious virus that is transmitted from person-to-person in droplets in the air. When an infected person sneezes or coughs, those nearby are at risk of becoming infected.
In one in 6,000 cases it can lead to inflammation of the brain; in one in 3,000 cases it can affect blood clotting. The incubation period for rubella is 14 to 21 days, with most people developing a rash between 14 and 17 days after exposure.