TWiM explains how bacterial symbionts regulate tick blood feeding activity, and the reasons why antibiotics exist.

Hosts: Vincent Racaniello, Elio Schaechter, and Michael Schmidt

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Links for this episode:

• Symbionts help ticks to feed (Cell Host Microbe)
• Why do antibiotics exist? (mBio)
• Shorter is still better (J Hosp Med)
• Shorter vs longer antibiotic courses (J Hosp Med)
• Francis Tally and tigecycline (Clin Inf Dis)

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv