Right now , `` common sense and observation tell us that spread of the virus via coughing or sneezing is rare , if it happens at all , '' the World Health Organization says . People on the same flights with Ebola patient are not at risk , CDC says . Ebola symptoms typically appear eight to 10 days after infection . The infected virus can live for up to 30 days on a surface in a perfect environment . This is the method used in West Africa to kill it .
People on the same flights with Ebola patient are not at risk , CDC says . Ebola symptoms typically appear eight to 10 days after infection . The infected virus can live for up to 30 days on a surface in a perfect environment . This is the method used in West Africa to kill it .