Pour Fourniture, Livraison Des test Rapides PCR Sars Cov-2 Antigen Rapid Test and Les Services De Formation Des Enseignants Sur La Prevention, La Lutte Contre Cofid-19, Depistage Et Collecte Des Donnes A Partir D;Une Plate Forme De Sante Electronique Dans Les Milieux Scolaires En RD Congo - For Supply, Delivery of Sars Cov-2 Antigen Rapid Test PCR Rapid Test and Teacher Training Services On Prevention, Cofid-19 Control, Screening And Collection Of Data From An Electronic Health Platform In School environments in DR Congo (EXPIRED)