I just had the pneumococcus vaccine [free for people 65+ in Australia].
It contains sugars from 21 types of pneumococcus, linked to CRM197 — a version of diphtheria toxin that is highly immunogenic, but rendered non-toxic by a single mutation, altering just 1 of 535 amino acids.
Greg Egan
npub1qq…j5nhv
2026-09-22 05:27:04 UTC
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npub1qqm7nu2qf25xd3mw6y6cyp4v2wr7ktf43ymp5wqz4u8jvz76ymtsjj5nhvSeen on
wss://relay.ditto.pubPublished at
2026-09-22 05:27:04 UTCEvent JSON
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