Changchun Bcht Biotechnology Co.

This early-stage study tests the safety and immune response of different doses of a combined vaccine against whooping cough, diphtheria, and tetanus in 96 people aged 10 and older. Participants will receive either the vaccine or a placebo, and researchers will monitor for side ef…

This early-stage trial tests a new flu vaccine with an added ingredient (adjuvant) to boost immune response. About 160 adults aged 18 and older will receive either the test vaccine, a standard flu vaccine, or a placebo. Researchers will monitor side effects and measure antibody l…