Volume 9, Number 9—September 2003
Research
Human Metapneumovirus Detection in Patients with Severe Acute Respiratory Syndrome
Table
Distribution of human metapneumovirus reverse transcription–polymerase chain reaction results among 25 positive nasopharyngeal aspiratesa,b
| No. of patients (%) | Human metapneumovirus F-gene sequence detected by RT-PCR |
|||
|---|---|---|---|---|
| Nasopharyngeal aspirate | HEp-2 cells | LLC-MK2 cells | MDCK cells | |
| 1 (4.0) |
Positive |
Positive |
Positive |
Positive |
| 1 (4.0) |
Positive |
Positive |
Positive |
Negative |
| 1 (4.0) |
Negative |
Positive |
Positive |
Negative |
| 1 (4.0) |
Negative |
Positive |
Negative |
Positive |
| 18 (72.0) |
Negative |
Positive |
Negative |
Negative |
| 3 (12.0) | Negative | Negative | Positive | Negative |
aRT-PCR, reverse transcription-polymerase chain reaction; Hep-2, human laryngeal carcinoma monolayer; LLC-MK2, rhesus monkey kidney monolayer; MDCK, Mardin Darby Canine Kidney monolayer; BGM, Buffalo green monkey kidney monolayer.
bThe human metapneumovirus RT-PCR results for all human embryonic lung fibroblast, BGM and Vero cell cultures were negative.


