Figure 4

Peripheral CD4⁺ and CD8⁺ lymphocyte levels as a function of clinical outcome over 8 weeks. A) Total CD4⁺ cells per ml average and standard error of the mean; B) Total CD8⁺ cells per ml average and standard error of the mean. Symbols: ●: uninfected cats (213 and 214); □ Symptomatic cats (215, 219–221, 229 and 234); ◇ asymptomatic cats (216–218, 222–228, 230–233). * indicate values between symptomatic and asymptomatic cats differ significantly (p ≤ 0.05).