Table 1 Comparison of disease transmission, symptoms, affected groups, and management regimes between EVD and COVID-19.

OutbreakMostly in 10 countriesWorldwide
TransmissionEVD is less contagious than COVID-19, but much deadlier. It
transmits only through bodily fluids, rather than through the air.
Human-to-human and animal-to-human have been found.
It transmits through respiratory droplets and contact routes,
but airborne transmission is not confirmed. Human-to-
human has been found.
The reproduction number of EVD is estimated to be ~1 to 2 (164).The reproduction number of COVID-19 is estimated to be 2.5
CharacteristicsSymptomatic transmissionSymptomatic transmission
Asymptomatic transmission
SymptomsHigh fever, headache, muscle pain, sore throat, fatigue, lack of
appetite, vomiting, diarrhea, abdominal pain, etc. (164, 166)
Fever, cough, fatigue, anorexia, shortness of breath, myalgias,
sore throat, etc. (167)
Most affected groupsChildrenAdults over 60 with underlying health conditions; children
seem to experience milder symptoms