The race for the vaccine against the Sars-Cov2 virus continues, between accelerations and controversies. The WHO, however, puts a stop, predicting that mass vaccination programs against the Coronavirus will not be able to start before mid-2021. This is in fact the estimate of the spokesperson of the UN agency, Margaret Harris. But this is not the path followed, for example, by the United States, where Trump has asked the 50 governors of the American states to get ready for a vaccine distribution as early as November 1. Here is where we are