Infectious diseases

Question 1

Pediculus humanus var humanus (body louse) diseases can transmit

Answer 1

Body lice can serve as vectors for

• Rickettsia prowazekii* (epidemic typhus),
• Bartonella quintana* (trench fever), and
• Borrelia recurrentis* (louse-borne relapsing fever).

Question 2

Species of human lice

Answer 2

Pediculus humanus capitis (head lice)

Pediculus humanus humanus (body lice)

Question 3

Species of Brucella in cattle, goats, sheep and pigs

Answer 3

Brucella abortus (cattle), Brucella melitensis (goats), Brucella suis (pigs), and Brucella ovis (sheep) .

Question 4

Which diseases are transmitted by these ticks:

1. Amblyoma americana
2. Amblyoma marmoreum
3. Dermacentor variabilis, Dermacentor andersoni, Rhipicephalus sanguineus
4. Ornithodorus moubata

Answer 4

1. Amblyoma americana: Human monocytic erhlichiosis
2. Amblyoma maromoreum: Heartwater disease
3. Dermacentor variabilis, Dermacentor andersoni, Rhipicephalus sanguineus: Rocky Mountain spotted fever
4. Ornithodorus moubata: African swine fever

Question 5

Which diseases are transmitted by these ticks:

1. Ixodes scapularis
2. Ixodes scapularis (E. coast), Ixodes pacificus (W. coast)
3. Ixodes scapularis and pacificus
4. Ixodes brunnes

Answer 5

1. Ixodes scapularis: Babesiosis (B. microti)
2. Ixodes scapularis (E. coast), Ixodes pacificus (W. coast): Borrelia burgdorferi (Lyme disease)
3. Ixodes scapularis and pacificus: Erhlichiosis chaffensis
4. Ixodes brunnes: Avian tick paralysis

Question 6

Which ticks transmit these diseases:

1. Human monocytic erhlichiosis
2. Heartwater disease
3. Rocky Mountain spotted fever
4. African swine fever

Answer 6

1. Amblyoma americana: Human monocytic erhlichiosis
2. Amblyoma maromoreum: Heartwater disease
3. Dermacentor variabilis, Dermacentor andersoni, Rhipicephalus sanguineus: Rocky Mountain spotted fever
4. Ornithodorus moubata: African swine fever

Question 7

Which ticks transmit these diseases:

1. Babesiosis (B. microti)
2. Borrelia burgdorferi (Lyme disease)
3. Erhlichiosis chaffensis
4. Avian tick paralysis

Answer 7

1. Ixodes scapularis: Babesiosis (B. microti)
2. Ixodes scapularis (E. coast), Ixodes pacificus (W. coast): Borrelia burgdorferi (Lyme disease)
3. Ixodes scapularis and pacificus: Erhlichiosis chaffensis
4. Ixodes brunnes: Avian tick paralysis