1 2 ): ▁ ▁[ There ▁was ] ▁... ▁a ▁history ▁of ▁do z ens ▁of ▁alleg ations ▁made ▁by ▁various ▁branches ▁of ▁the ▁Soviet ▁government ▁for ▁the ▁entire ▁post - World ▁War ▁II ▁period ▁charg ing ▁that ▁the ▁United ▁States ▁had ▁used ▁bi ological ▁weapons . ▁As ▁best ▁as ▁is ▁known , ▁all ▁of ▁these ▁alleg ations ▁are ▁deliber ate , ▁fra ud ul ent ▁con co ctions . ▁The ▁most ▁not orious ▁of ▁these ▁were ▁the ▁alleg ations ▁made ▁by ▁the ▁Soviet ▁Union , ▁the ▁People ' s ▁Republic ▁of ▁China , ▁and ▁North ▁Korea , ▁charg ing ▁that ▁the ▁United ▁States ▁used ▁bi ological ▁weapons ▁during ▁the ▁ 1 9 5 0 - 1 9 5 3 ▁Korean ▁War . ▁There ▁was ▁a ▁brief ▁resp ite ▁from ▁these ▁charges ▁between ▁ 1 9 8 7 ▁and ▁ 1 9 9 2 , ▁but ▁after ▁that ▁former ▁Soviet ▁military ▁officials ▁who ▁were ▁part ▁of ▁the ▁Soviet ▁Union ' s ▁own ▁B W ▁program ▁once ▁again ▁began ▁to ▁repeat ▁the ▁same ▁dis cred ited ▁charges . ▁ ▁Korean ▁War ▁▁▁ ▁In ▁ 1 9 5 2 , ▁during ▁the ▁Korean ▁War , ▁the ▁Chinese ▁and ▁North ▁Kore ans ▁ins inu ated ▁that ▁myster ious ▁out break s ▁of ▁disease ▁in ▁North ▁Korea ▁and ▁China ▁were ▁due ▁to ▁U . S . ▁bi ological ▁attacks . ▁Despite ▁contrary ▁assert ions ▁from ▁the ▁International ▁Red ▁Cross ▁and ▁World ▁Health ▁Organ ization , ▁whom ▁the ▁Chinese ▁den ounced ▁as ▁being ▁domin ated ▁by ▁US ▁influence