Medigen Vaccine Biologics Corp (高端疫苗) yesterday reported positive results from an interim analysis of phase 2 trials for its COVID-19 vaccine, saying that the vaccine demonstrated high seroconversion rates and geometric mean titer (GMT) figures.
A seroconversion rate is the percentage of participants in a trial displaying virus-specific immune memory after being given a vaccine, while the GMT measures the level of neutralizing antibody response, Medigen said.
The experimental vaccine has a seroconversion rate of 99.8 percent and its GMT was 662 among the participants aged 20 to 89, while the gauges rose to 99.9 percent and 733 respectively in participants aged