उइनद समाव ( during window period ) पलिमेरेस सैइन रिएकसन ( PCR ) बाहायनानै भाइरास संदाननाया मावथाव , आरो फोरमाना बिथोन होयोदि fourth generation EIA स्क्रिनिं आनजाद बाहायनानै सनदेरनायखौ थाबै संदाननो हायो
Detection of the virus using polymerase chain reaction PCR during the window period is possible and evidence suggests that an infection may often be detected earlier than when using a fourth generation EIA screening test .