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The original was posted on /r/science by /u/mvea on 2025-08-04 08:55:08+00:00.

Original Title: The 1918 Spanish flu virus has been reconstructed from the 107-year-old preserved lung of an 18-year-old Swiss man, the first complete influenza A genome with a precise date from Europe. It offers new insights into the deadly pandemic that claimed the lives of up to 100 million people.