The culture medium used for corynebacterium diphtheriae

• The usual media employed for cultivation of diphtheria bacillus are 1) Loeffler’s serum slope ■ It is used for rapid diagnosis as growth is shown within 4-8 hours. 2) Tellurite blood agar (Tinsdale medium) ■ It acts as selective media, as tellurite inhibits the growth of most other bacteria. ■ Growth may take two days to appear.