Fig. 3From: Association between semi-quantitative microbial load and respiratory symptoms among Thai military recruits: a prospective cohort studyCycle threshold value distribution in samples containing one or multiple microbes. Ct-value distributions for selected bacteria detected in non-acute samples collected at the start or end of the training period (orange bars) and acute samples (blue bars) containing a single or multiple microbes. A Ct-value of < 33 was considered a positive resultBack to article page