Virology Chapter 3 (Definitions & Review)

The greater the number of Coxiella Burnetti the longer the incubation period for Q-fever.

• True

• False

Coxiella burnetti are found in large numbers in milk, urine, and feces of infected animals. During birthing, the organisms are shed in high numbers within the amniotic fluids and placenta.

• True

• False

Q-fever is caused by a bacterium rather than a virus.

• True

• False

Lassa fever is a member of the ___________ family.

• filovirus

• bunyavirus

• arenavirus

• flavivirus

Lassa fever is mild and has no symptoms in about _____% of infected people.

• 50%

• 60%

• 80%

• 90%

Lassa is an endemic disease found in portions of...

• West Africa

• South Africa

• Europe

• Asia

The number of Lassa virus infections per year is estimated at 100,000 to 300,000 with approximately _______ deaths.

• 100

• 1,000

• 500

• 5,000

Death rates for Lassa fever are lower in pregnant women because they have more antibodies to fight the infection.

• True

• False

15%-20% of patients hospitalized for Lassa fever die from the illness.

• True

• False

Lassa fever can be spread via air-borne transmission.

• True

• False