Studies on Rocky Mountain spotted fever / U.S. Treasury Department, Public Health Service.

Date:
[1930]
Catalogue details

Licence: Public Domain Mark

Credit: Studies on Rocky Mountain spotted fever / U.S. Treasury Department, Public Health Service. Source: Wellcome Collection.

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    CONTENTS Page Pecicawon. aM LIL Eh es ee ry id eee el ee eRe US Roope a Vv PROLACGs feces oe SOO ORS ee ko BOE Pe ed IX Studies on Rocky Mountain spotted fever: . 7 Infectivity of fasting and recently fed ticks. R. R. Spencer and 1 Tee OPPO Y hay 8 Lek Ape aE TS a oe ER 8 Viability of the virus in animal tissues. R. R. Spencer and R. R. ParkePs~ ccc teen aen catenin ues Bie ae Rat A] pa LS aad ee 10 Experimental studies on tick virus. R. R. Spencer and R. R. Parker- Nonfiltrability of tick and blood virus. R. R. Spencer and R. R. 1 gr) eee ett, oie a Re 2g eam, ce elbow ie Ni es 2) MED) NSN RONG AMEE OAS USENET LS repay Cm 23 Vaccination of monkeys and man. R. R. Spencer and R. R. Parker- - 28 A study of the relationship between the presence of rickettsialike organisms in tick smears and the infectiveness of the same ticks. Wor. Parker-and Heh opencer.— oo. ee re a ae 36 Certain characteristics of blood virus. R. R. Spencer and R. R. LEG i) 1 vURdT tay Esetee ere 2 MAT EL A Gere mae Eames eNO Sarees Marr 2 Tae eevee 44 Variations in the behavior of the virus. R. R. Spencer and R. R. Patkerec. 8 Se Coe FCO gw pte Pee eM SU Ee RA 49 Infection by other means than tick bite. R. R. Spencer and R. R. Papers 25 GAS 8 Ee Pe ey et Se ee oe 60 Improved method of manufacture of the vaccine and a study of its properties. R.R. Spencer and R. R. Parker___.._....---------- — «63 Results of four years’ human vaccination. R. R. Parker and R. R. Dpencer ld Fee Me Bee Saale oes. ah Deas en as ale (2 DIOMORTApN YL 2 Soe elo Is ROO Ried 1 Pe, Se ea 104 LIST OF ILLUSTRATIONS Figure 1.—Lot 2351-B-(2A). Unincubated and unfed ticks injected immediately upon removal from ice box_____..-.--.----.- 14 2.—Lot 2351—-B-(2A). Unfed ticks removed from ice box, in- cubated 24 hours at 37° C., and injected peritoneally_- 15 3.—Lot 2351-B—(2A). Ticks removed from ice box, incubated 24 hours at 37° C., then fed three days and injected in- bra Peri vOneauy wee Anes) DROS oor 16 4,—Lot 1988-E. Noninfected control ticks._.........._..---- Vi §:—Titration of-virus-in. fed ticks 2... 222 222228 RULE hd AG Site 19 6.— Injection of phenolized tick virus_.20J0L 222 ll Ll Zoe 21 7.—Daily temperatures of guinea pigs injected with mixtures of serum from vaccinated rabbits and blood virus. (Tem- peratures above 39.6° C. are regarded as definite fever, and areas between this line and the temperature curve are Seecee amy wines) au Ee a ee ee ey eel) a es 33