Section 06 Products of the chemical or allied 30 Pharmaceutical products 30 02 Human blood; animal blood prepared for therapeutic, prophylactic or diagnostic uses; 30 02 20 Pertussis, measles, meningitis or polio vaccines 30 02 20 20 Pertussis, measles, meningitis or polio vaccines Commodity Code Description 30 02 20 20 00 Pertussis, measles, meningitis or polio vaccines