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- Coronavirus: Does contamination give lasting immunity?RTL.fr
- Immune cells linked to Covid-19 could remain in the body for years, reveals …lalibre.be
- Scientists specify the duration of immunity against Covid-19Sputnik France
- Coronavirus immunity could last a long time, according to a studyprint
- People already infected with Covid-19 would have long-lasting immunity, according to a studyThe Obs
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