गोबां आनजादसालिफोरा(laboratories) फर्थ जेनेरेसन स्क्रिनिं(fourth generation screening) आनजादफोर बाहायो जाय एनति-HIV एनतिबदि(lgG and lgM) आरो HIV p24 एनतिजेनखौ संदानो।
Many laboratories use fourth generation screening tests which detect anti-HIV antibody (IgG and IgM) and the HIV p24 antigen.