Preventing spread of disease in wake of mudslides is vital, says WHO Posted on September 12, 2017 by admin WHO working with the government of Sierra Leone to prevent the spread of infectious diseases after flooding and mudslides in Freetown Residents of affected areas are vulnerable to outbreaks of infectious diseases such as typhoid, malaria and cholera Post navigation BCC issue advice to residents on prevention of typhoidParirenyatwa hails BCC for keeping city clean