Q 01/05

Ebola is named after a river in which present-day country?

A) United Republic of Tanzania

B) Central African Republic

C) Republic of the Congo

D) Democratic Republic of the Congo

Answer · why

D) Democratic Republic of the Congo

Democratic Republic of the Congo: the virus surfaced in 1976 at the village of Yambuku, but the scientists who identified it named it after a river so...

Q 02/05

Which animals are believed to be the natural host of ebolaviruses?

A) Fruit bats

B) Rodents

C) Monkeys

D) Mosquitoes

Answer · why

A) Fruit bats

Fruit bats are the leading suspect, though the reservoir has never been confirmed; the other wild animals that pass the virus to people tend to die of...

Q 03/05

Which antiviral, tested against Ebola in Congo in 2019, became the first drug the US approved to treat COVID-19?

A) Oseltamivir

B) Remdesivir

C) Molnupiravir

D) Acyclovir

Answer · why

B) Remdesivir

Remdesivir was dropped from the Congo trial when two rival treatments saved more patients, then found its use a year later: in October 2020 it became ...

Q 04/05

The first victim of the 1976 Yambuku outbreak, a village headmaster, was at first treated for which disease?

A) Malaria

B) Yellow fever

C) Typhoid fever

D) Cholera

Answer · why

A) Malaria

Malaria was the natural guess for a fever in the tropics, and Ebola's first symptoms still mimic it so closely that only a laboratory test can tell th...

Q 05/05

What is Ebola's maximum incubation period, the standard monitoring window for contacts?

A) 5 days

B) 10 days

C) 21 days

D) 60 days

Answer · why

C) 21 days

21 days is the accepted outer limit for symptoms to appear, so the WHO doubles it for safety: an outbreak is declared over only after 42 days with no ...