Credit scores range from 300 to 850; scores of 620 or below are generally regarded as bad credit scores. However, it's important to note that what qualifies as a bad credit score is a little subjective and depends somewhat on the lender. A home mortgage is a good example of this credit score subjectivity. Federal mortgage companies Fannie Mae and Freddie Mac consider 620 and below to be bad credit scores.
A test for rubella is done to find out if: 1  A woman who is or wants to become pregnant is immune to rubella. 2  A recent infection was caused by the rubella virus. 3  A person has been vaccinated against rubella. 4  Health professionals who are in contact with pregnant women have had rubella. rubella test is usually done for a woman who is or wants to become pregnant to determine whether she is at risk for rubella. Several laboratory methods can be used to detect rubella antibodies in the blood.
A rubella test detects and measures rubella antibodies in the blood that are produced by the body's immune system in response to immunization or an infection by the rubella virus. Clinical diagnosis of rubella is unreliable; therefore, cases must be laboratory-confirmed. Antibody tests are the most common methods of confirming the diagnosis of rubella.