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> and allowing walk-ins if doses will expire

Exactly. Any person getting a dose is better than vaccine expiring

We should also open up expired vaccines to whoever wants them. Expiry dates are usually quite pessimistic and medicines often have efficacy long after they're officially expired.

This is a different model of expiration. This isn't "two-year shelf life can be extended to five years w/ stable temperature and humidity and only a 10% loss of efficacy."

This is "once this vaccine is pulled out of the super-cold freezer, it starts breaking down, and you have X hours before it's worthless at best."

Worse than "worthless" is the idea that people might get a useless expired vaccine anyway, think they're protected, and then be a vector for future transmission.

Reply on news.ycombinator.com