Answer: the antigens identify the foreign invader
Answer:
Short term:
Diarrhea. Gas. Foul-smelling, greasy stools (poop) that tend to float.
Long term:
Occasionally, people with giardiasis will have long-term complications such as reactive arthritis, irritable bowel syndrome, and recurring diarrhea that can last for years. Among children in particular, severe giardiasis may delay physical and mental growth, slow development, and cause malnutrition.
Because you won’t be able to see right, you can be dizzy and not seeing things right
