New infectious agents pose a global threat to the healthcare system, and studies are conducted estimate their health epidemiological outcomes in long run. The SARS-CoV-2 virus, which has caused COVID-19 disease, was formerly assumed be respiratory virus; however, it can have serious systemic effects, affecting organs such as gastrointestinal tract (GIT). Viral RNA reported stool subset of patie...

Popularization of the acid-fast stain in the early 1980s for detecting Cryptosporidium species in stool specimens set the stage for recognition of Cyclospora species. Between 1986 and 1993, there were nine reports linking diarrheal illness in more than 200 immunocompetent and immunocompromised children and adults to an unidentified, acid-fast organism resembling a "large Cryptosporidium" [2-10]...