<prompt> False positive ELISA for HIV -Multiple myclomaLepromatous leprosySLEAll of the above  <response>: False positive ELISA is seen in -Antibodies to class II antigens - Recent influenza vaccinationAuto antibo dies - Acute viral infectionsHepatic disease - Connective tissue diseases e.g. SLE.ELISA is the standard screening test for HIV infectionIt has a sensitivity of 99.5, while it is highly sensitive, it is not optimal in regard to specificity.Most commonly used confirmatory test for the diagnosis of HIV infection - a Western Blot test 