Plant onion seeds to a depth of Â¼ to 1/2 inch and press the soil down firmly with your hands. Plant three seeds to a cell or peat pot.lant onion seeds to a depth of Â¼ to 1/2 inch and press the soil down firmly with your hands. Plant three seeds to a cell or peat pot.
The time-delay, between the radiation exposures and the diagnosis of clinical cancer, is called the incubation period or the latency period.. We know for certain, from the study of the Atomic-Bomb Survivors in Japan, that the latency period varies enormously among individuals.he time-delay, between the radiation exposures and the diagnosis of clinical cancer, is called the incubation period or the latency period.. We know for certain, from the study of the Atomic-Bomb Survivors in Japan, that the latency period varies enormously among individuals.
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. would also argue that the incubation period of HIV is not 1-10 years, but 2-4 weeks, the time until the prodromal symptoms occur. The characteristic symptom of HIV-1 infection, immunosuppression, occurs much later. 1  Tweet.