because they are remote areas, because there isn't motivation."Famously, this even happened with Notorious 武漢肺炎\Covid-19. In December 2019, the World Health Organization WHO)was alerted
How common are unexplained outbreaks of disease?
無法解釋的疾病大爆發在人類歷史上常見嗎 - BBC News 中文
How common are unexplained outbreaks of disease?無法解釋的疾病大爆發在人類歷史上常見嗎 - BBC News 中文