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Viral Isolation Specimens for measles virus isolation It is recommended that clinical samples (10-50 ml of urine; throat or nasopharyngeal swabs or nasal aspirates) for measles virus isolation be collected as soon after rash as possible. The sample should be collected at the first contact with a suspected case of measles when the serum sample for diagnosis is drawn. Measles virus isolation is most successful when samples are collected the first day of rash through the 3 days following onset of rash; however, virus is still present at least through day 7 following rash.
Urine
samples Respiratory
samples Avoid repeat
freeze-thaw cycles or freezing at -20 C (standard freezer temp) because
ice crystals can kill the virus. If -40 C or -70 C storage is not available,
it is recommended to keep the sample in the refrigerator (4 C). |
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Home | Specimen Shipping | Contact Us CDC Home | Search | Health Topics A-Z
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This page last reviewed July 5, 2001 |
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