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Covid Incubation Gets Shorter With Each New Variant, Study Shows

Bloomberg business news
Is Covid Getting Worse?

The longer a virus can replicate inside a person before causing symptoms, the harder it can be to stop because of the greater potential for the infected to unknowingly spread it far and wide. 

Among Covid-19’s pernicious features, its incubation period is longer than many other respiratory viral infections, including influenza, respiratory syncytial virus and rhinovirus. The good news is the interval between exposure and the development of symptoms appears to be narrowing.