2) Procedures to apply for a Seamanâs Record Book (SRB), sometimes. referred to as a Discharge Book or Continuous Discharge Certificate (CDC) that records the onboard record of employment. 1.3 This Bulletin should be read in conjunction the BMA Information Bulletins.
That raises to total count to 67 cases. In the United States, the current recommended measles regimen is to give children a first dose of vaccine at 12 to 15 months of age, and a second dose at 4 to 6 years of age. But that wasn't the case in the 1960s, 1970s and during much of the 1980s.
The MMR vaccine protects children against measles, mumps, and rubella. These are dangerous, even deadly diseases. Before the vaccine was approved in 1963, almost everyone got measles by the age of 18. In Canada, there were about 300,000 cases of measles every year.Since the vaccine, that number has fallen to less than 20 cases a year. Children should get the MMR shot twice to have ongoing protection from infection. Provinces vary on the timing for the second shot. 1  The first shot is given at 12 months of age.n Canada, there were about 300,000 cases of measles every year. Since the vaccine, that number has fallen to less than 20 cases a year. Children should get the MMR shot twice to have ongoing protection from infection. Provinces vary on the timing for the second shot. 1  The first shot is given at 12 months of age.