Amendments are sent to the legislatures of the  states by default. Only one amendment, the 21st, specified a  convention. In any case, passage by the legislature or convention  is by simple majority.
Yes, there is a MMRV VIS, as well as a MMR VIS and a Varicella VIS. The law requires that a Vaccine Information Statement (VIS) be given out whenever certain vaccinations are administered, including MMR, varicella or MMRV vaccines.hen the first dose of measles, mumps, rubella, and varicella vaccines is administered at ages 48 months and older, use of MMRV vaccine generally is preferred over separate injections of MMR and varicella vaccines.
The CDC recommends that children age 12 to 47 months or any child with a history of seizures get the MMR and varicella vaccines separately because studies show an increased risk of fever and febrile seizures when they're combined.he MMRV is the same as the MMR, except that it also includes protection against the varicella virus, which causes chicken pox. Some parents get the first dose of the MMR vaccine for their child, and choose the MMRV vaccine for the second dose.