Is one already contagious during the incubation period? | Incubation period for a cold

Is one already contagious during the incubation period? The simple answer to this question is: Yes! Even during the incubation period, when the infected persons themselves do not yet show any symptoms, they are already infectious. Therefore, there is a risk of infection two to seven days before the first symptoms appear. During the cold … Is one already contagious during the incubation period? | Incubation period for a cold