The phagocytic cells of the immune system include macrophages, neutrophils, and dendritic cells. Phagocytosis of the hostsâ own cells is common as part of regular tissue development and maintenance.hese are immune cells that engulf, i.e. phagocytose, pathogens or particles. To engulf a particle or pathogen, a phagocyte extends portions of its plasma membrane, wrapping the membrane around the particle until it is enveloped (i.e. the particle is now inside the cell).
ACIP recommends that all children receive 2 doses of varicella vaccine routinely. The first dose should be given at age 12 through 15 months and the second dose at age 4 through 6 years.
Revised 03â2016. and varicella vaccine should be administered for the first dose in this age group. â¢For the second dose of measles, mumps, rubella, and varicella vaccines at any age (15. months--12 years) and for the first dose at age â¥48 months, use of MMRV vaccine generally is. preferred over separate injections of its equivalent component vaccines (i.e., MMR vaccine.