Regarding the June 4 front-page article “Cold War echoes in race for vaccine,” about the “race” among nations, notably the United States, China, and Russia and other European nations for development of a vaccine against the novel coronavirus:
When communicating about vaccines and dates, leaders should be careful to note that this means candidate vaccines. We actually have a vaccine only after it is proved effective and safe over a long period, requiring time (years, not months), durability (e.g., the measles vaccine lasts a lifetime whereas some others are much shorter), a formula that covers all or most strains (especially those recurring seasonally) and feasibility (cost, global availability, etc.).
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