The Lancet is reporting that a detailed clinical description of two cases of Middle East Respiratory Syndrome coronavirus (MERS-CoV) in France suggests that the incubation period for the virus may be longer than previously thought, and longer quarantine periods may be required to rule out infection among contacts. The first patient (who has since died) probably became infected with the virus while traveling in the Middle East; the second patient probably caught the virus while sharing a hospital room with the first patient before doctors had detected the MERS-CoV infection.
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