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.
MMR (Measles, Mumps, Rubella) 1  two doses of MMR are usually required by school entry. In the past, the second dose was given when a child was either 4 to 6 years old or 12 years old. 2  having two doses of MMR is important in this age of measles outbreaks.