Kingdom Animalia Parasites: Tapeworms and Flukes

Question 1

Taenia saginata

Answer 1

-Type of worm: Cestode/ Tapeworm
-Transmission: Eat Beef with cysticerci
-Infective Stage: cysticerci
-Hosts: Definitive: human
Intermediate: cattle
-Disease: Taeniasis
>Intestinal infection
>Beef Tapeworm
>50 million cases worldwide

Question 2

Taenia solium

Answer 2

-Type of worm: Cestode/ Tapeworm
-Transmission: Eat Pork with cysticerci
-Infective Stage: cysticerci
-Hosts: Definitive: human
Intermediate: pig
-Disease: Taeniasis
>Pork Tapeworm
>50 million cases worldwide
>Cysticercosis- causes seizures

Question 3

Cysticercosis

Answer 3

causes seizures

Question 4

Diphyllobothrium latum

Answer 4

-Type of worm: Cestode/ Tapeworm
-Transmission: Eat Fish with cysticerci
-Infective Stage: cysticerci
-Hosts: Definitive: human
Intermediate: Fish
-Disease: Diphyllobothriasis
>fish tapeworm
>20 million cases per year

Question 5

Echinococcus granulosus

Answer 5

-Type of Worm: Cestode/ Tapeworm
-Transmission: ingest egg/ova
-Infective Stage: egg
-Hosts: Definitive: Canine (dogs, fox, wolves)
Intermediate: human, sheep, cattle
-Disease: Hydatid Cysts Disease
>infects liver or lungs
>2-3 million cases per year

Question 6

Clonorchis sinensis

Answer 6

-Type of Worm: Trematode/ Fluke
-Transmission: Eat Fish with metacercaria
-Infective Stage: metacercaria
-Hosts: Definitive: human
Intermediate: snail, fish
-Disease: Clonorchiasis
>chinese liver fluke
>35 million infected, 600 million at risk for infection

Question 7

Paragonimus westermani

Answer 7

-Type of worm: Trematode/ Fluke
-Transmission: Eat Crabs with metacercaria
-Infective Stage: metacercaria
-Hosts: Definitive: human
Intermediate: snail, crab
-Disease: Paragonimiasis
>lung fluke
>35 million infected, 600 at risk for infection

Question 8

Fasciola hepatica

Answer 8

-Type of Worm: Trematode/ Fluke
-Transmission: Eat Vegetation with metacercaria
-Infective Stage: metacercaria
-Hosts: Defintive: human, sheep
Intermediate: snail
-Disease: Fascioliasis
>sheep liver fluke
>35 million infected, 600 at risk

Question 9

Schistosoma mansoni

Answer 9

-Type of Worm: Trematode/ Fluke
-Transmission: Cercaria penetrate skin
-Infective Stage: cercaria
-Hosts: Definitive: human
Intermediate: snail
-Disease: Schistosomiasis
>blood fluke
>240 million infected, 600 at risk