Possible Clues:

• Agents in performance held by old Soviet police chief
• Some tiny rods and spheres
• I eat crab (anag.)
• Crab tea, I suspect, could be the cause of food poisoning
• A brace -- it's scrubbed to get rid of these?
• Microorganisms that can cause disease
• Camel largely encapsulates the essence of itinerant culture
• Bugs for which Stalin's henchman introduced law
• Touring east, camel is endless source of disease
• Drug stops camel mostly developing germs