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Sero-surveillance for SARS-CoV-2 infection among healthcare providers in four hospitals in Thailand one year after the first community outbreak
- Wanitchaya Kittikraisak,
- Phunlerd Piyaraj,
- Apichat Vachiraphan,
- Thanapat Wongrapee,
- Somsak Punjasamanvong,
- Taweewun Hunsawong,
- Chalinthorn Sinthuwattanawibool,
- Chaniya Leepiyasakulchai,
- Pornsak Yoocharoen,
- Eduardo Azziz-Baumgartner
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- Published: July 14, 2021
- https://doi.org/10.1371/journal.pone.0254563