About 80% of all new malaria infections are concentrated in just a fifth of the population, a Nature study of African children found.
About 80% of all new malaria infections are concentrated in just a fifth of the population, a Nature study of African children found.
根据《自然》杂志对非洲儿童的一项研究，80%的新感染疟疾病例都集中在全球5/1的人口。