The incubation period of the new crown is increasingly similar to the seasonal coronavirus

In a study published this week in the journal JAMA Network Open, researchers from Peking University and Tsinghua University analyzed the incubation periods of different variants of the new coronavirus and found that the average incubation period is getting shorter and shorter. The original version of the virus first discovered in Wuhan had an average incubation period of 6.65 days, 5 days for the alpha variant, 4.5 days for the beta variant, 4.41 days for the delta, and 3.42 days for the omicron. This makes the new coronavirus more and more similar to common seasonal coronaviruses. The incubation period for four human coronaviruses that cause common cold-like symptoms is 3.2 days. The average incubation period is 1.4 days for rhinoviruses that cause the common cold, 1.43 to 1.64 days for influenza viruses, and 2.6 days for parainfluenza viruses.

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