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.
Vaccination is the best way to protect yourself and those you love. If you are not immune, you should be vaccinated. You will receive two doses of varicella (chickenpox) vaccine one month apart. You should avoid becoming pregnant for at least one month after the last vaccination.Varicella vaccine should not be given to pregnant women.he blood test can show that you: 1  Are immune (have already had varicella disease or varicella vaccine) and have no sign of recent infection. 2  You have nothing further to be concerned about. 3  Are not immune and have not yet been infected. 4  You should avoid anyone with chickenpox during your pregnancy.