https://moldova.europalibera.org/a/o-firm%c4%83-de-biotehnologie-din-statele-unite-anun%c8%9b%c4%83-c%c4%83-%c3%aencepe-%c3%aen-iulie-faza-final%c4%83-a-testelor-clinice-pentru-un-vaccin-anti-covid-19/30727872.html