suffer from malaria
suffer from 后接疾病名，表示长期或严重患有某种疾病。
Many people in tropical regions suffer from malaria.
热带地区的许多人患有疟疾。
由疟蚊传播的寄生虫引起的传染病,以寒战和发热为特征；瘴气；[医] 疟[疾]
a serious infectious disease spread by the bite of an infected mosquito, causing repeated chills and fever
疟疾
A disease spread by mosquito, in which a protozoan, Plasmodium, multiplies in blood every few days.
由疟蚊传播的寄生虫引起的传染病,以寒战和发热为特征
an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever
Many travelers take preventive medicine before visiting areas where malaria is common.
许多旅行者在前往疟疾常见的地区之前会服用预防药物。
用法提示：句中 malaria 为名词，指疟疾，作从句的主语。
After returning from the trip, she developed a high fever and the doctor suspected malaria.
旅行回来后，她发高烧，医生怀疑是疟疾。
用法提示：句中 malaria 为名词，指疟疾，作动词 suspected 的宾语。
The government distributed bed nets to help reduce the spread of malaria.
政府发放蚊帐以帮助减少疟疾的传播。
用法提示：句中 malaria 为名词，指疟疾，用在 the spread of 后作介词宾语。
suffer from 后接疾病名，表示长期或严重患有某种疾病。
Many people in tropical regions suffer from malaria.
热带地区的许多人患有疟疾。
contract 是比 catch/get 更正式的动词，表示感染疾病。
He contracted malaria during his trip to the Amazon.
他在亚马逊旅行期间感染了疟疾。
a case of 用于指某个具体的患病实例，常见于医疗报道。
The clinic reported a case of malaria last week.
诊所上周报告了一例疟疾病例。
古旧/文学用语，现代医疗英语中已很少使用；仅作了解，实际交流请用 malaria。
grammar · medium
易错句子She caught a malaria during her trip.
正确表达She caught malaria during her trip.
malaria 作为疾病名称通常是不可数名词，不能直接加不定冠词 a；表示感染疟疾时用零冠词，即 caught malaria。
grammar · medium
易错句子He suffers malaria in the rainy season.
正确表达He suffers from malaria in the rainy season.
表示“患某种疾病”时，suffer 是不及物动词，必须后接介词 from 才能带疾病名称，因此应说 suffers from malaria。
感染疟疾
Many travelers contract malaria if they do not take preventive medicine.
许多旅行者如果不服用预防药物，就会感染疟疾。
疟原虫
The malaria parasite is spread by the bite of an infected mosquito.
疟原虫通过受感染蚊子的叮咬传播。
疟疾预防
Mosquito nets are an important part of malaria prevention in tropical areas.
蚊帐是热带地区疟疾预防的重要组成部分。
疟疾疫苗
Scientists are developing a more effective malaria vaccine.
科学家正在研制更有效的疟疾疫苗。
疟疾病例
The number of malaria cases has dropped dramatically over the past decade.
过去十年间，疟疾病例数大幅下降。
疟疾治疗
Early diagnosis allows prompt malaria treatment and recovery.
早期诊断有助于及时进行疟疾治疗并康复。
mal- (bad) + aria (air) → 'bad air', from the old belief that the disease came from unhealthy swamp air
mal- (bad/abnormal) + formed (shaped) → badly shaped
mal- (bad) + nutrition (nutrition) → poor nutrition
mal- (bad) + function (function) → not working properly
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.