Covid-19 Vaccine Front-Runners Impress Investors, but Concerns Exist The Wall Street JournalUniversity of Iowa seeks participants for COVID-19 vaccine trial KCCIModerna's stock rallies as it moves forward with enrolling its Phase 3 COVID-19 vaccine trial MarketWatchCovid-19 Vaccine Trials Have a Problem: Minority Groups Don’t Trust Them The Wall Street JournalWashington County commissioner to take part in Pfizer COVID-19 clinical trial WPXI-TV News PittsburghView Full Coverage on Google News