This argument is particularly true when considering even younger children at the age of primary school.
The immunization procedure of DNA vaccine pcDNA TA4 IL-2 of Eimeria tenella, including route, dose, time of immunization and age of primary immunization of chicken, was optimized.
This way the starting age of non-compulsory secondary education (Bachillerato) increased from 14 to 16 years old and the ending age of primary education moved from 14 to 12.
He told the Resource 2012 forum on water, food and energy scarcity that the development of shale oil and gas was "quite extraordinary", and that the world was now entering the "latest age of primary energy".
But societies must develop plans for children beyond the age of primary school.
Median age of primary cases was 3.6 years, including 60% <5 years of age (Table 1).
These variables were the month of onset, the age of primary case, antiviral treatment, pre-season influenza vaccination and duration of school absence of primary cases.
Mean age of the seropositive donors was 34 years (range 25 62 years) with an average age of primary infection at 12.92 years (range 2 16 years).
There was no significant difference in the age of primary and secondary cases (mean ages 5.6 (N = 999) and 5.3 years (N = 461), respectively; t-test P = 0.54).
In the multivariate analysis, the variables used were group, age of primary parent, income level, education level and number of the adults in the home.
Following the elimination of measles in Latin America, the recommended age of primary measles immunisation was raised to 12 months in 1996.
