Giardia lamblia (also known as Giardia intestinalis and Giardia duodenalis) is the most frequent intestinal parasite responsible for chronic diarrhea and malnutrition. Giardia infections commonly cause nausea. abdominal cramping. bloating. https://pscasdok3m7qm7.bloginwi.com/68594020/immunological-basis-for-enhanced-immunity-of-nanoparticle-vaccines