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(updated on 2014/07/29)

Re-emergence of Ebola virus 伊波拉病毒的再現

Map created by CUHK SpatioEpi Group

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Since March 2014, there has been an ongoing Ebola Haemorrhagic Fever (caused by Ebola virus) outbreak in Guinea in West Africa. By the end of July, more than 400 cases have been reported, including at least 300 deaths, in the country. The neighbouring countries, Liberia and Sierra Leone, have recorded a total of 600 cases (confirmed and suspected).

The map shows the distribution of Ebola outbreaks in the recent 3 decades and the home range of fruit bats (possible natural host of Ebola virus). Background colour of countries represents the Ebola subtype, with pie charts showing the proportion of deceased cases whereas their sizes indicate the total number of reported cases in the respective time period. Among subtypes, Ebola-Zaire has the highest geographic coverage, number of people infected and the longest time range. At the recent outbreak in Guinea, Ebola-Zaire subtype infection is reported for the first time in West Africa. Ebola virus can be transmitted through direct contacts with blood, secretions, other bodily fluid and organs of infected animals or human. Infection control in health-care settings and personal preventive measures are essential for controlling the spread of this deadly infection.

Data for the map were extracted from WHO and CDC.

今年三月,西非國家畿內亞爆發伊波拉出血熱 (由伊波拉病毒引起的疾病),並持續至現在尚未完結。截止七月底,已經有超過400宗確診及懷疑個案,當中超過300人死亡。至於鄰近國家,利比利亞及塞拉利昂共有超過600宗確診及懷疑個案。