malariologist

例句：

1. 1. Dr. Smith is a renowned malariologist who has made significant contributions to the field.
   史密斯博士是一位著名的疟疾学家，他在该领域做出了重大贡献。
2. 2. The malariologist identified the source of the outbreak and recommended immediate action.
   这位疟疾学家确定了疫情的源头，并建议立即采取行动。
3. 3. Malariologists are responsible for studying the disease and developing effective treatments.
   疟疾学家负责研究这种疾病并开发有效的治疗手段。