<prompt> Varicella-zoster virus VZV is the cause of chickenpox and herpes zoster. Which of the following statements are true or false? a Humans are the only known reservoir for VZV b Secondary and teiary cases within families are associated with a relatively small number of vesicles c The most common infectious complication of varicella is secondary bacterial superinfection of the skin, which is usually caused by Streptococcus pyogenes or Staphylococcus aureus d Varicella pneumonia, the most serious complication following chickenpox e Perinatal varicella is associated with a high moality ratea,c, e-True b,d-Falsea,c,d,e-True b-Falseb,c,d,e-True a-Falsea,b,c,d,e-True None -False  <response>: This is an impoant question, Younger children tend to have fewer vesicles than older individuals. Secondary and teiary cases within families are associated with a relatively large number of vesicles. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 1463. 