PIV3 infection with a higher viral load was frequently found in PSPs
HRV / EV were the most commonly detected pathogens in both asymptomatic and mild symptomatic PSPs .
PIV3 infection with a higher viral load was frequently found in PSPs presenting with mild symptoms , progressing to pneumonia with radiographic evidence after surgery .
HRV / EV were the most commonly detected pathogens in both asymptomatic and mild symptomatic PSPs .