1. Reduction in severity and mortality in COVID-19 patients owing to heterologous third and fourth-dose vaccines during the periods of delta and omicron predominance in Thailand. (January 2023) Authors: Intawong, Kannikar; Chariyalertsak, Suwat; Chalom, Kittipan; Wonghirundecha, Thanachol; Kowatcharakul, Woravut; Ayood, Pisittawoot; Thongprachum, Aksara; Chotirosniramit, Narain; Noppakun, Kajohnsak; Khwanngern, Krit; Teacharak, Worachet; Piamanant, Prapon; Khammawan, Pimpinan Journal: International journal of infectious diseases Issue: Volume 126(2023) Page Start: 31 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗