A large number of variants of Covid-19 has caused repeated outbreaks of Covid around the world, leading to higher numbers of mortalities overall. These variants of Covid-19 have some commonality with the Ebola outbreak in 2013 in West Africa.
Which of the following is similar between the two diseases?
a. Both were cause by a random mutation that increases the infection rate of the virus in humans.
b. Both occurred due to large numbers of infections, providing more opportunity for beneficial mutations to occur.
c. Both outbreaks began as zoonotic diseases.
d. Both could have been prevented or minimized with improved health care and disease management early in the outbreak.
e. All of the above are similarities.