Ab&b Bio-tech Co., Ltd.js

This study checked the safety of a quadrivalent (four-strain) flu vaccine in over 42,000 healthy people aged 3 and older. Researchers looked for very rare side effects that occur in less than 0.01% of people. The goal was to confirm the vaccine is safe for widespread use.

This study tested a new flu vaccine in 2,772 healthy children aged 6 to 35 months. The children received two doses of either the new vaccine or a control vaccine, 28 days apart. Researchers checked for side effects and measured immune response through blood tests. The goal was to…