Print Email. A sinkhole, also known as a sink-hole, sink, swallow hole, shakehole, swallet or doline, is a natural depression or hole in the Earth's surface which may have various causes. Some are caused by karst processesâfor example, the chemical dissolution of carbonate rocks or suffosion processes in sandstone.
MMR vaccine is recommended routinely for all children at age 12 through 15 months, with a second dose at age 4 through 6 years. The second dose of MMR can be given as early as 4 weeks (28 days) after the first dose and be counted as a valid dose if both doses were given after the child's first birthday.easles vaccine, given as MMR, may be effective if given within the first 3 days (72 hours) after exposure to measles. Immune globulin may be effective for as long as 6 days after exposure.
Second, two studies have shown that children who get the MMRV vaccine for their first vaccinations when they are 12 through 23 months old are about twice as likely to have a febrile seizure in the 5 to 12 days following vaccination compared with those who receive the MMR and varicella vaccines at the same visit.econd, two studies have shown that children who get the MMRV vaccine for their first vaccinations when they are 12 through 23 months old are about twice as likely to have a febrile seizure in the 5 to 12 days following vaccination compared with those who receive the MMR and varicella vaccines at the same visit.