Cuba encouraged by early efficacy results of homegrown COVID-19 vaccine
By Nelson AcostaHAVANA, June 19 (Reuters) - Cuba's Soberana 2 vaccine candidate has shown 62% efficacy with just two of its three doses, state-run...
By Nelson AcostaHAVANA, June 19 (Reuters) - Cuba's Soberana 2 vaccine candidate has shown 62% efficacy with just two of its three doses, state-run...