More information. 1  For a complete list of mercury-containing items â including consumer, medical, pharmaceutical, electrical, chemical, manufacturing and construction products â see the EPA's Table of Products That May Contain Mercury and Recommended Management Options..
In a typical infectious disease, incubation period signifies the period taken by the multiplying organism to reach a threshold necessary to produce symptoms in the host. In some diseases, as depicted in this diagram, latent period is shorter than incubation period.epending on the disease, the person may or may not be contagious during the incubation period. During clinical latency, an infection is subclinical. With respect to viral infections, in clinical latency the virus is actively replicating.
He had no symptoms of infection because he was still in the incubation period of the disease. In contrast to Ebolaviruses, poliovirus and norovirus are shed during the incubation period â in the feces, where they can infect others. Remarkably, viral incubation periods can vary from 1 or 2 days to years (Table; click to magnify). Short incubation times usually indicate that actions at the primary site of infection produce the characteristic symptoms of the disease.