Hundreds of local people have participated in Pfizer, Moderna and Novavax vaccination trials, and the Jacksonville Center for Clinical Research has said they are being well-tolerated in the area. Regardless of variants or brands of vaccine, the center said everyone should get vaccinated. Everywhere ,scientists are working to crank out doses of COVID-19 vaccines. Thursday, Novavax announced their protein-based vaccine has an 89.3% efficacy in UK clinical trials. “Because we know that the vaccines have effectiveness against the new variants.