7. (LV. 20) * * * 1895 ROSS (Ross, page 9) let 4 mosquitoes of the species anopheles suck themselves full on the Indian Abdul Radir who had numerous crescent-shaped formations in his blood, and on 25 May he let the twenty-year-old Lutschmann, who was stated never to have been sick before, be stung by them. On 5 June the latter contracted fever which lasted for 3 days.
8. (LV. 23) In 1917 WAGNER-JAUREGG (Wagner-Jauregg: Psych. neurol. weekly 1918) introduced artificial malaria infection to cure progressive paralysis. Following this, now experiments were initiated.
9. (LV. 25) F. MUEHLENS and W. KIRSCHBAUM (Muehlens and Kirschbaum: Further Parasitological Observations on Artificial Malaria Infection of Paralytics. Archives for Ship and Tropical Hygiene 1924, Vol. 28, No. 4, page 131) in 1924 report on artificial malaria infection for the treatment of paralysis.
DIPHTHERIA
Despite the Behring therapeutic serum and the protective vaccine developed by Behring, the field of diphtheria immunity has always interested various research experts. Their efforts were all directed toward developing safe, active immunity.