Non mRNA vaccines get another bad run here. Merk is now out after disappointing phase 1 results.
"V590, one of Merck’s COVID-19 shots, mimicked technology from the Ebola shot, using a weakened virus to trigger the immune response. Its other experimental shot, V591, was based on a measles vaccine."
http://www.pmlive.com/pharma_news/merck_ends_its_covid-19_vaccine_programme_after_disappointing_early_trial_results_1361879
