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Summary of polymerase chain reaction (PCR) data recovered from trailer interiors according to treatments applied for 30 min. The Y-axis represents the number of PRRSV positive swabs detected out of a total of 10 replicates per treatment while the X-axis summarizes data from the individual treatments according to sampling time. Due to the fact that swabbing did not occur in the overnight drying treatment until 8 h post-treatment, these data are not included.
