Sinovac Biotech Co., Ltd

This study is testing a new, freeze-dried mRNA vaccine designed to prevent shingles (herpes zoster). Researchers are enrolling 519 healthy adults aged 40 and older to evaluate the vaccine's safety and how well it triggers an immune response. The trial will compare different doses…

This study is testing a single-dose polio vaccine for people aged 7 to 50 years. Researchers want to see if one shot in teens and adults creates a similar immune response to the standard three-dose vaccine series given to infants. They will also track side effects in all 180 part…

This study is testing a new four-strain flu vaccine to see if it is safe and effective for pregnant women. It will enroll 150 healthy pregnant women in their second or third trimester. Researchers will compare the new vaccine to an existing one and check if protective antibodies …

This study aims to find the best way to give polio vaccines to babies. Researchers will test different combinations of two types of polio vaccines and two injection methods in 480 healthy 2-month-old infants. They will measure how well the vaccines protect against polio and monit…