A Clinical Trial of Adsorbed Cell-free DPT Vaccine (5-component) (for People Aged 6 Years and Above)

Inclusion Criteria: * ≥ 6 years of age. * Willingness to provide proof of identity. * The informed consent of the volunteer and/or the guardian and/or the delegate must be obtained and the informed consent form must be signed. * Volunteers are able and willing to comply with the requirements of the clinical trial protocol and are able to complete the full study follow up. * Volunteers aged 6-11 years who have completed 4 doses of DPT-containing vaccine, but have not received the 5th dose, and have ≥3 years between the 4th dose. * Volunteers aged ≥12 years must not have received any of the components of the DPT-containing vaccine within 5 years. Exclusion Criteria: * Persons with fever prior to vaccination, with axillary temperature \> 37.0°C. * A female with a positive urine pregnancy test or a breastfeeding volunteer, where the volunteer or her partner has a plan to become pregnant within 180 days. * Adults with severe cardiovascular disease, hypertension (systolic blood pressure ≥160mmHg, diastolic blood pressure ≥100mmHg) that cannot be controlled by medication, or other severe chronic diseases. * Abnormal and clinically significant results of preimmunization blood tests, blood biochemistry and urine tests. * Persons who have suffered from one of the diseases of diphtheria or tetanus, or who have suffered from whooping cough in the last three years. * Volunteers ≥12 years of age who have received pneumococcal polysaccharide/conjugate-containing vaccine within 4 years. *…