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Volume 22, Number 1—January 2016

Anticipated Negative Responses by Students to Possible Ebola Virus Outbreak, Guangzhou, China

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To the Editor: In 2014, a serious Ebola virus disease (EVD) outbreak occurred in West Africa (1). In a study on EVD-related perceptions, 85% of US respondents mistakenly believed that EVD could be transmitted through airborne droplets from patients’ sneezes or coughs (2). EVD-related panic was reported in the United States (3) and the United Kingdom (4).

During November 15–December 20, 2014, we conducted a cross-sectional survey of 1,295 undergraduate students in Guangzhou, China, where the population of immigrants from Africa is high, who had heard of EVD (Technical Appendix). Our aim was to measure students’ anticipated negative emotional responses and avoidance activities (dependent variables) to a possible outbreak of EVD (5). We constructed scales for the dependent and independent variables to assess EVD-related perceptions: 1) misconceptions/knowledge about transmission modes, 2) scenarios of an EVD outbreak in Guangzhou (chances, severity, control), 3) efficacy of preventive measures and self-protection, and 4) public stigma toward EVD survivors. MLwiN 2.30 (Centre for Multilevel Modeling, University of Bristol, Bristol, UK) was used for multilevel regression analyses (Technical Appendix).

We analyzed data from 1,155 (89.2%) students who have heard of EVD. To the example of 2–3 EVD cases detected in Guangzhou, 31.0% showed >4 types of anticipated negative emotions (e.g., fear, panic, worry); 59.5% showed >3 types of anticipated unnecessary avoidance. Most (80.0%) indicated >1 misconception regarding transmission mode (e.g., believed it was droplet or waterborne) but knew that direct contact with the corpse of an infected person (69.0%) and body fluids (81.4%) could lead to infection and perceived EVD as fatal (85.6%,) and highly infectious (81.6%). About half of respondents believed that effective treatment and a vaccine were unavailable (51.9% and 59.1%, respectively); 22.2% anticipated EVD outbreaks among Africans in Guangzhou (during the next 12 months). Many students perceived severe consequences if a small EVD outbreak occurred in Guangzhou and believed an outbreak would have a high fatality rate (70.5%), EVD is highly infectious (65.4%), an outbreak would be of long duration (47.5%), and the number of infected persons would be high (39.9%); 52.5%–79.2% of respondents lacked confidence in the government’s ability to control an outbreak (e.g., ability to provide adequate vaccines, medication, protective gear). Half or more of respondents believed that restricting travel by Africans to and from Africa and avoiding visiting African-inhabited areas were effective means of prevention. About 40% were confident that they could protect themselves or family members from EVD (Technical Appendix Tables 1, 2).

Older age, female sex, longer school years, and rural origin were associated with negative emotional responses, avoidance, or both (Technical Appendix Table 3). In multivariate analyses that adjusted for significant background variables, we found positive associations between both dependent variables and the following independent variables: perceived fatality of EVD, perceived nonavailability of treatment, misconceptions regarding modes of transmission, perceived severity of a Guangzhou outbreak, perceived efficacy of restricting Africans’ travel, perceived efficacy of avoiding African-inhabited areas, and public stigma toward EVD survivors. Confidence in governmental control was negatively associated with both dependent variables. Some variables were positively associated with emotional response but not avoidance (perceived irreversible harm, perceived chance of outbreak in Guangzhou and in other parts in China, perceived self-efficacy for protection); 2 variables (perceived nonavailability of vaccine and knowledge of transmission mode) were positively associated with avoidance measures but not with emotional responses (Table).

Because EVD causes serious physical harm, negative emotional responses and unnecessary avoidance practices were anticipated. Such negative community responses might cause individual and societal harm, as witnessed during the epidemic of severe acute respiratory syndrome (6). Misconceptions concerning transmission modes were prevalent and significantly correlated with both dependent variables. More than 80% of respondents perceived that the virus was highly infectious, another significant factor.

About 20% of participants believed that an EVD outbreak would occur in Guangzhou in the next year. Among all participants, many anticipated severe outcomes but were not confident that the government was prepared for and could control such an outbreak.

The concentration of immigrants from Africa in this region might have increased perceived chances of an EVD outbreak and thus lead to avoidance of this population. The high percentages of those who believed that restricting Africans’ travel was effective also might result in discrimination.

Public stigmatization toward EVD survivors, another significant factor, was a prominent attitude (7,8). Fear, misconceptions, and perceived likelihood of EVD to cause death may lead to patient stigmatizing, which could hinder case detection and patients’ service seeking. The relationship between stigmatization and EVD-related perceptions should be investigated.

The study’s limitations included the inability to assess real responses, inability to generalize findings to all university students and the general public, and the use of scales that had not been validated. Also, some students might have given exaggerated responses.

In summary, misconceptions and perceptions regarding EVD may result in negative community responses in Guangzhou. Health education is needed to clarify that EVD is not airborne or waterborne or highly infectious and that avoidance is not an effective preventive measure. In addition, the government should start developing and publicizing its preparedness plans.



We thank all research assistants and those who participated in the study.


Joseph T.F. LauComments to Author , Zixin Wang, Yoona Kim, Jing Gu, Anise M.S. Wu, Qianling Zhou, Chun Hao, Perry Cheng, and Yuantao Hao
Author affiliations: Centre for Medical Anthropology and Behavioral Health, Sun Yat-sen University, Guangzhou, China (J.T.F. Lau); Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China (J.T.F. Lau); Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China (J.T.F. Lau, Z. Wang, Y. Kim, Q. Zhou, P. Cheng); Sun Yat-sen University School of Public Health, Guangzhou, China (J. Gu, C. Hao, Y. Hao); University of Macau, Macau, China (A.M.S. Wu)



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DOI: 10.3201/eid2201.150898

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Joseph T.F. Lau, 5F, School of Public Health, Prince of Wales Hospital, Shatin, NT, Hong Kong, China

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