22 September 2014 ¦ GENEVA - Unless Ebola control measures in west Africa are enhanced quickly, experts from the WHO and Imperial College, London, predict numbers will continue to climb exponentially, and more than 20 000 people will have been infected by early November, according to a new article in the New England Journal of Medicine released 6 months after WHO was first notified of the outbreak in west Africa.
In the article, public healthepidemiologists and statisticians reviewed data since the beginning of the outbreak in December 2013 to determine the scale of the epidemic, better understand the spread of the disease, and what it will take to reverse the trend of infections.
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流行规模
Scale of epidemic
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虽然世卫组织于2014年3月23日首次得知疫情情况，但回顾性调查显示本次疫情始于2013年12月。
Although WHO was first notified of the outbreak on 23 March 2014, investigations retroactively revealed the outbreak started in December 2013.
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在2013年12月30日和2014年9月14日之间，总共向世卫组织报告发生了4507例病例。
Between 30 December 2013 and 14 September 2014, a total of 4507 cases were reported to WHO.
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研究数据有助于澄清受本次疫情影响最重人员的某些细节情况。
The data in the study help clarify some details of who is most affected by this outbreak.
For example, there have been mixed reports on whether women might be harder hit because they are more likely to care for sick, or whether it would be men who might be more likely to bury the highly-infectious dead bodies.