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Influenza Encyclopedia

ï~~ HEALTH affect; 2 enral c sti r n: nd, it No, 8, after twvo and a half year:' cultivation in Vitte ap parently lost its ability to produce a potent toxin in both a petone broths ic property of Pasteur 2 No. 8 culture had not as yet been ously by the txwo years' cultivation in Witte peptone broth. rovv LNFLCTIONS: The studies on "common cold-" and influhave been continued, helped by the Metropolitan Life inThey ma y b'e li:sted as follows: (a). serologic and cultural eumnoc wet rsolate'd from such conditions ha:shoevn that n -evalent in such infectiont (b) A similar study of the hemci sIeta ty pe) olateA from such infections also has shotwn p encountered frequently. K ar:tudy of gre-en strep-tococci (alpha type) has given sim-m ieresults:howx that aeit her pnetmo cocc inor yarious types nre the prima ryetiologicalIagents in the contagious form: of (d). fluent hac~ili fronmeningiti: fall into:ero logical types, cprIdominnt str>ai:afou nd among t'eB. iniflu enzae isolated from menirvritis c11ea Of ',a seven:trs,: ftuRr vere fondb g~lutination and aglutininabsortio f n t:t'o c1 'g to on ty pe,:An"innuine'tserumnvof thi:, type is., tIh r Â~fores::win pruld;)in)cukating a horse wi th these jparticular It -ill is'-r ' uul.aube ltat vtry-little grouping wgaobt ned '.hun-- 'Jri ot f.strins of:the IB- in t ima rof respira' tr:ri, Ge rowthiReuire aemits f B. Iifhs t a: t e: hsbenymaint'ainIcd tha t B.idl r e C!qires.:-ty in fctors (?N 4i.nI-no uirstlone 3 "n riPn i-lie Ab~tn'i) fr i: ovt, i 'rr td'-trmru.tÂ~ truth of tis, xx' ua 'lu Lturen'wdiumna-: basis which did rnot suppo.:rt thgrowth of t, itfl' v'' ~ hout aU-lit ii o f bood or sone oPher stini ulatinr s a-e We swc: d 1ii "o Y a. i n ~en iac i ltismndium n iimanticut,"<trie tr( r))mt\<mis i'd wn wpeciias o tt"h Im i n - n' sa e ateria af ter - I a ':l dby In a t di, rent e te.u." '' 1" u144r;~ ~ 1 of 13,. 4iutun4 V 1\ ' 'salof rti mx resh..tvesk~~" r roth swith1Iteated b a ',,.. Wa ' rw"T was.k'44 cy..afr rthe sir,'"T b \ w ul a }.,O' ":''k eSC (11) <4K 0 i' ' has been \ Y "mtf r

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