Atlante dei protozoi intestinali umani, identificazione microscopica di Giovanni Swierczynski e Bruno Milanesi

Fig.1. Ziehl-Neelsen stain (hot method). Cryptosporidium sp. oocysts

Fig.2. Ziehl-Neelsen stain (hot method). In the middle, a well stained Cyclospora oocyst. In the same microscopic field, two oocysts not stained at all (arrowhead).

Fig.3. Ziehl-Neelsen stain (hot method). Unsporulated Isospora belli oocyst.