What does helminthiasis refer to?

Helminthiasis specifically refers to an infestation by worms, also known as helminths. This condition occurs when parasitic worms invade the body, leading to various gastrointestinal and systemic issues depending on the type of worm involved. Common types of helminths include roundworms, tapeworms, and flukes. The presence of these worms can provoke an immune response and may result in symptoms like abdominal pain, malnutrition, or other complications related to their growth and reproduction in the host.

The other options describe different types of infections: viruses lead to viral infections, bacteria cause bacterial infections, and fungi can result in fungal infections. Since helminthiasis is specifically characterized by the presence of worms, it distinctly falls outside the scope of infections caused by these other organisms. Understanding this term helps in identifying and treating specific parasitic infections effectively.