Document dnjk5GqmekapMNrnE5bzY5rOB

PLAINTIFF'S EXHIBIT t&T 3. 19U Hr. leroy V, Oerdner, Director Saranac Laboratories 8eranoc, Xtw Xsx* Stir Sr* Gardners Coddyou gir ae year prent opinion about the raletioeahip, if mi, "b#te*i--as5etb*ls~aad tuberculeelir? flmov that" proTiro* studies appear to Indicate that nsbebiosls would act prediipor' to tuberculosis* Bat..any recant experience changed thle point of eieit Recently t have had eeeas'ios tcTlbok rear our alaia experience is Tootford limes and note that tuberculosis la the chief eauae of *.`eath. Ot oow-e, artoltty with reaped to taterculosla for the population aa a *h>l* la thetford la high. Or the other hand, gj far beck aa 1931, w have fofnd ooso pretty blch dust count* la oomT of these aiaea eltt Instance* where 99S5f of the *e~dmxtlpartide* were 10_'aierenm, le. ora laellaed to thijik that the dais exporlaaee nprtuetl the type of nrlrir ee are dealing with and ia aot related to corking croditlon*. Severer, *e arc planning to study thia a little aar* olasely* Before getting isto it, I would appreciate yoiv dries la approaching thle prohlea. Begardlaaa of whether thla la a probltw directly related to working eoadltioaa, it la obvioudy a problem In the central of tuberculosis. Rho la the poblie health field la Canada would be aoet Inter#*ted and helpful in studying and dsl g tonething aboett thla? Be will probably ask Tchad to wake aone aore daat rtudiaa la aoaa of the place* that wa have access to and I aa dao trying to aocuro mans tuberculosis mortality figures far cosparlaoa for fhatford by age groups fraa Thstferd, Quebec, and the Dominion of Canada. Zf you have any data I would appreciate haring thaw* Vltb kindest regards* Sincerely yours, *V \\ i? k\\\ \ Assistant ladled Director \\k, * \ C