Fig 4. Growth of Borrelia afzelii, Borrelia garinii, and Borrelia burgdorferi sensu stricto at different temperatures expressed as number of Borrelia cells/mL and presented as median (■), P25 (♦) and P75 (▲); A: growth at 4°C, B: 23°C, C: 28°C D: 33°C and E: 37°C.