Effectiveness rates from phase III trials have been excellent, prompting sceptics to question the trustworthiness of the data. The country’s ongoing vaccination campaign nevertheless clearly demonstrates that the vaccines work -- with more than 6.5 million doses administered, according to the government, predominantly in the city of Havana, infection rates there have halved, while they are surging elsewhere on the island.
- There will be little room for Havana to pursue vaccine diplomacy until the island's population has been immunised.
- The WHO’s long tradition of cooperating with Cuban vaccine centres suggests international approval will be swift.
- Having become the first country to give emergency authorisation to Cuba’s Soberana 02 vaccine, Iran looks set to begin rolling it out.