Comparison of the mean viral titer during fever (>39.5°C) and non-fever stages (<39.5°C). The mean viral titer in the presence and absence of fever was 2.99 and 0.78 log EID50/ml, respectively, and this difference was statistically significant (p << 0.001, Student's T test.).
Song et al. Virology Journal 2011 8:1 doi:10.1186/1743-422X-8-1