Moderna says it has completed manufacturing of clinical trial material for the South African variant of COVID-19 and has shipped doses for a phase 1 clinical trial.
Moderna says it has completed manufacturing of clinical trial material for the South African variant of COVID-19 and has shipped doses for a phase 1 clinical trial.
Johnson & Johnson said on Thursday it has asked U.S. health regulators to authorize its single-dose COVID-19 vaccine for emergency..