Two weeks ago your nephew came down with the chickenpox while visiting. now you have itchy, crusted spots on your arms and you feel terrible. you probably were infected with the chickenpox virus when your nephew was there but did not get sick until now because of the incubation period. inoculation period. antibody activity. immune response.

Incubation period

Explanation:

The incubation period is the time period between the entry of pathogen into the host body and the appearance of signs and symptoms. Chickenpox is caused by varicella-zoster virus that has an incubation period of 10-23 days after which the symptoms of the disease appear.

The virus must have spread from the infected nephew two weeks ago but did not cause any sickness until now due to the incubation period.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: