Esempi
SARs is believed to be a type of RNA virus called a coronavirus .
Another possibility is that the human coronavirus acquired genes from another, more virulent virus.
Alternatively, it may have derived from one or more unidentified animal coronaviruses that only recently mutated or recombined to create a human pathogen, he says.
The greatest benefit appears to be in detecting rhinoviruses, coronaviruses , and parainfluenza viruses.
The most frequently observed viruses were rhinoviruses followed by coronaviruses and respiratory syncytial virus.
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