After the invasion of Poland, Koprowski and his pregnant wife, fled the country, using Koprowski family business connections in Manchester, England
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After the invasion of Poland, Koprowski and his pregnant wife, fled the country, using Koprowski family business connections in Manchester, England
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-24 from Wikipedia. The archived copy is preserved so this citation survives link rot.