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Volume 10, Number 6—June 2004

Dispatch

SARS and Common Viral Infections

Janice K. Louie*†1Comments to Author , Jill K. Hacker*1, Jennifer Mark*, Shilpa S. Gavali*, Shigeo Yagi†, Alex Espinosa†, David P. Schnurr†, Cynthia K. Cossen†, Erin R. Isaacson†, Carol A. Glaser†, Marc Fischer‡, Arthur L. Reingold†, Duc J. Vugia*†, and for the Unexplained DeathsCritical Illnesses Working Group
Author affiliations: *California Emerging Infections Program, Berkeley, California, USA; †California Department of Health Services, Berkeley, California, USA; ‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA

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Table 3

Summary of positive laboratory results at the California Department of Health Services by CDC case criteriaa,b

Total (N = 165)
Suspect (N = 51)
Probable (N = 19)
Confirmed (N = 2)
Non-SARS cases (N = 94)
Pathogen n (%) n (%) n (%) n (%) n (%)
Influenza A 28 (17)c 11 (22) 4 (21) 0 13 (14)
Influenza B 2 (1) 1 (2) 0 0 1 (1)
Respiratory syncytial virus 6 (4) 1 (2) 0 0 5 (5)
Parainfluenza virus types 2–4 6 (5) 1 (2) 0 0 5 (5)
Human metapneumovirus 11 (7) 4 (8) 2 (11) 0 5 (5)
Coronavirus OC43 1 (1) 0 0 0 1 (0)
Coronavirus 229E 0 0 0 0 0
Parainfluenza virus type 1 0 0 0 0 0
Adenovirus 1 (1) 1 (2) 0 0 0
Picornavirus 12 (7) 4 (8) 0 0 8 (9)
Mycoplasma pneumoniae 3 (2)c 0 2 (11) 0 1 (1)
Chlamydia spp. 1 (1) 0 1 (5) 0 0
SARS-CoVd 2 (1) 0 2 (100) 0
Total positive 73 (44) 23 (45) 9 (47) 2 (100) 39 (42)

aUsing criteria for suspect, probable, or laboratory-confirmed severe acute respiratory syndrome (SARS) recommended by the Centers for Disease Control and Prevention (CDC).
b Includes polymerase chain reaction (PCR), culture, and serologic tests.
cOne patient had evidence of co-infection with both influenza A (PCR and culture) and M. pneumoniae (immunoglobulin [Ig] M detection).
dSARS-CoV, SARS-associated coronavirus.

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1Both authors contributed equally to this work.

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