VIROLOGY

HUMAN IMMUNO DEFICIENCY VIRUS

HUMAN IMMUNO DEFICIENCY VIRUS belongs to -Retroviridae class and Lentivirinae family . It is one of the most fragile virus. It affects the immune system of the body.

SEQUENTIAL EVENTS IN HIV INFECTION

                                        INFECTION

 

   6-8 WEEKS                                       WINDOW PEROID

                                                                                               ANTIBODY TEST
                                                                       NEGATIVE

                                                              PERSON IS INFECTIOUS

                        SEROCONVERSION     ANTIBODY TEST 

                                                                  POSITIVE PERSON

                                                                  IS INFECTIOUS

                       ASYMPTOMATIC           ANTIBODY TEST 

                                                                    POSITIVE PERSON

                                                                    IS INFECTIOUS

                                  AIDS                      ANTIBODY TEST 

                                                                 POSITIVE PATIENT IS

                                                                 INFECTIOUS