e velop ed ▁areas ▁in ▁all ▁of ▁O ce ania ▁in ▁the ▁Pacific ▁the ater , ▁although ▁war ▁records ▁frequently ▁lack ▁definit ive ▁diagn oses , ▁and ▁many ▁records ▁of ▁" high ▁fe ver " ▁ev acu ations ▁were ▁also ▁likely ▁to ▁be ▁other ▁tropical ▁ill ness es . ▁In ▁the ▁chapter ▁entitled ▁" The ▁Green ▁War ", ▁General ▁Mac Ar thur ' s ▁bi ograph er ▁William ▁Manchester ▁ident ifies ▁that ▁the ▁disease ▁was ▁one ▁of ▁a ▁number ▁of ▁deb il it ating ▁aff lict ions ▁affect ing ▁both ▁sides ▁on ▁New ▁Guinea ▁in ▁the ▁running ▁blo ody ▁K ok oda ▁batt les ▁over ▁extremely ▁har sh ▁terra ins ▁under ▁inten se ▁hard ships — ▁fought ▁during ▁a ▁six - month ▁span ▁all ▁along ▁the ▁K ok oda ▁Track ▁in ▁ 1 9 4 2 – 4 3 , ▁and ▁mentions ▁that ▁to ▁be ▁hospital - ev acu ated , ▁Al lied ▁soldiers ▁( who ▁cy c led ▁forces ) ▁had ▁to ▁run ▁a ▁fe ver ▁of ▁, ▁and ▁that ▁sick ness ▁cas ual ties ▁out number ed ▁weapons - inf lic ted ▁cas ual ties ▁ 5 : 1 . ▁Similarly , ▁the ▁ill ness ▁was ▁a ▁cas ual ty ▁producer ▁in ▁all ▁the ▁j ung le ▁fighting ▁of ▁the ▁land ▁batt les ▁of ▁the ▁New ▁Guinea ▁campaign ▁and ▁the ▁Gu adal can al ▁campaign . ▁Where ▁the ▁Al lies ▁had ▁bases , ▁they ▁could ▁remove ▁and ▁cut ▁back ▁veget ation , ▁or ▁use ▁D DT ▁as ▁a ▁pro phy la