Figure 5From: Maternally-derived antibodies do not prevent transmission of swine influenza A virus between pigs Viral genome loads in aerosols. Deduced from M gene RT-PCR analyses (45—Cq value) performed on air samples taken in each room (rooms B1, B2 and B3 correspond to rooms housing piglets with maternally-derived antibodies (MDAs); rooms F1, F2 and F3 to piglets without MDAs) during the animal experiment.Back to article page