The human liver fluke depends on two intermediate hosts to complete its life cycle. Identify the names of these hosts.

Alcopar is a drug useful for:

Anti-helminthic drugs like $Mebendazole$ are given to treat . . . . . . .

Filariasis is caused by the infection of:

An individual bathing in an infected pool or coming in contact with contaminated water is liable to be infected with .................. The .................... larva stick to the surface of the skin of swimmer or bather,and penetrate the skin.

Which of the following parasites penetrates through the skin and enters the intestine?