RIO DE JANEIRO, BRAZIL - Cuba has begun late stage trials of its most advanced experimental COVID-19 vaccine, edging closer to a potential home-grown inoculation that could help the Caribbean island nation contain infections and ease its economic crisis.
The country started this week recruiting around 44,000 volunteers in Havana between the ages of 19 and 80 for its randomized, placebo-controlled trial of the two-shot vaccine in which some will receive a third booster shot with another Cuban vaccine candidate.
If the vaccine proves successful, Cuba has said it would inoculate its entire population of 11 . . .