THE TOXOPLASMA ANTIBODY IGM TEST IS A BLOOD TEST USED TO DETECT THE PRESENCE OF IGM ANTIBODIES AGAINST TOXOPLASMA GONDII, A PARASITE THAT CAN CAUSE TOXOPLASMOSIS. IGM ANTIBODIES ARE TYPICALLY PRODUCED EARLY IN AN INFECTION AND THEIR PRESENCE SUGGESTS A RECENT EXPOSURE TO THE PARASITE. THIS TEST IS PARTICULARLY IMPORTANT FOR PREGNANT WOMEN, AS A RECENT INFECTION DURING PREGNANCY CAN POSE RISKS TO THE DEVELOPING FETUS. A POSITIVE IGM TEST RESULT, ALONG WITH OTHER CLINICAL FACTORS, CAN HELP DIAGNOSE ACUTE TOXOPLASMOSIS AND GUIDE APPROPRIATE TREATMENT AND MONITORING.

CMV IS A SIGNIFICANT CAUSE OF MORBIDITY AND MORTALITY SPECIALLY IN ORGAN TRANSPLANT RECIPIENTS AND IMMUNOCOMPROMISED INDIVIDUALS. IT IS ALSO RESPONSIBLE FOR CONGENITAL DISEASE OF THE NEWBORN. POSITIVE IGM LEVELS INDICATE A RECENT INFECTION WHETHER PRIMARY, REACTIVATION OR REINFECTION.

A POSITIVE RESULT TYPICALLY INDICATES A RECENT OR PRIMARY INFECTION WITH HSV-1. HOWEVER, IT MAY NOT BE PRESENT IN RECURRENT INFECTIONS.

RUBELLA IS A VIRAL EXANTHEMATOUS INFECTIOUS DISEASE CAUSED BY RUBELLA VIRUS. THE ILLNESS FOLLOWS A TYPICALLY BENIGN CLINICAL COURSE WITH RARE COMPLICATIONS AND IS SUBCLINICAL IN A LARGE PROPORTION OF CASES. SYMPTOMATOLOGY IS GENERALLY MILD, CHARACTERIZED BY FEVER, MALAISE, A MACULOPAPULAR RASH OF 3 TO 5 DAYS DURATION AND POSSIBLY CORYZA AND CONJUNCTIVITIS. THE DISEASE IS USUALLY ACCOMPANIED BY LYMPHADENOPATHY. INFECTION CONFERS LIFELONG IMMUNITY. RUBELLA-SPECIFIC IGM ANTIBODY IS FOUND IN VIRTUALLY ALL INFECTED PATIENTS BY 3 WEEKS POST RASH DEVELOPMENT. IT IS ALSO FOUND IN 80% OF POST-VACCINATION PATIENTS BY 3 WEEKS. CONGENITALLY INFECTED INFANTS WILL SHOW AN IGM RESPONSE AT 2 TO 12 WEEKS POSTNATALLY. PRIMARY PRENATAL INFECTIONS MAY HAVE DEVASTATING EFFECTS LEADING TO CONGENITAL RUBELLA SYNDROME IN THE NEONATES. THIS SYNDROME INCLUDES LOW BIRTH WEIGHT, CATARACT, DEAFNESS, CONGENITAL HEART DISEASE AND MENTAL RETARDATION.