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Table 2 Frequency of single and multiple infections. Non-acute specimens were collected at the start (R0) or end (RF) of the training period. Acute samples were collected from individuals who developed an acute upper respiratory tract infection during follow-up. Percentages indicate proportion of specimens in which no microbe, a single, or multiple microbes were detected

From: Association between semi-quantitative microbial load and respiratory symptoms among Thai military recruits: a prospective cohort study

  Non-acute Acute Total
R0 (n = 210) RF (n= 102) (n = 145) (n= 457)
Negative for all microbes 5.2% (11) 6.9% (7) 4.1% (6) 5.3% (24)
1 microbe detected 47.6% (100) 15.7% (16) 24.1% (35) 33.0% (151)
> 1 microbe detected 47.1% (99) 77.5% (79) 71.7% (104) 61.7% (282)