MADRID (Reuters) – Johnson & Johnson’s
The trial will last two months and include 590 participants across the three countries, including 190 people in Spain, Illa told a news conference in Madrid.
More than 150 potential vaccines are being developed and tested globally to stop the COVID-19 pandemic, with 30 in human trials. There is so far no approved COVID-19 vaccine, except one authorised in Russia before large-scale trials.
(Reporting by Nathan Allen and Jose Elas Rodrguez; Editing by Beln Carreo)