Table 33-2.

Clinical and Radiologic Findings in Patients with Human Metapneumovirus (hMPV) Compared with Those with Respiratory Syncytial Virus (RSV)

	Percent of Patients with hMPV	Percent of Patients with RSV
Clinical findings
Cough	72-90	76
Rhinitis	80-88	72
Fever	52-61	48
Retractions	60	64
Hypoxemia	47	82
Anorexia	33-36	76
Wheezing	22-24	32
Chest radiograph findings
Atelectasis	40	19
Hyperinflation	33	44
Infiltrate	33	31
Bronchial thickening	0	13

From Williams JV, Harris PA, Tollefson SJ, et al: Human metapneumovirus and lower respiratory tract disease in otherwise healthy infants and children. N Engl J Med 350:443-450, 2004; Mejias A, Chavez-Bueno S, Ramilo O: Human metapneumovirus: A not so new virus. Pediatr Infect Dis J 23:1-10, 2004; and van den Hoogen BG, van Doornum GJJ, Fockens JC, et al: Prevalence and clinical symptoms of human metapneumovirus infection in hospitalized patients. J Infect Dis 188:1571-1577, 2003.

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