The Advisory Committee on Immunization Practices (ACIP) recommends a two-dose vaccine schedule for measles, mumps, rubella and varicella vaccines for children, with the first dose at age 12-15 months and the second at age 4-6 years.accines and Immunizations. ShareCompartir. For the first dose of measles, mumps, rubella, and varicella vaccines at age 12-47 months, either MMR vaccine and varicella vaccine or MMRV vaccine may be used.
grackle. 1  any of several long-tailed American birds of the family Icteridae, especially of the genus Quiscalus, having usually iridescent black plumage. 2  any of several Old World birds of the family Sturnidae, especially certain mynas.
The Boat-tailed Grackle is a coastal bird that ranges from the states that border the Gulf of Mexico all the way up into Connecticut, with rare sightings in Rhode Island and Massachusetts.It is found in saltmarshes and is almost never found inland, except in Florida.he word grackle derives from the latin word graculus *, which describes the small European corvid, the Jackdaw, which some grackles vaguely resemble. There are eleven species of grackle, or, there were, but the Slender-billed Grackle Quiscalus palustris went extinct in 1911, leaving ten extant species today.