Approximately one billion people worldwide are estimated to be infected with the roundworm Ascaris lumbricoides, an intestinal parasite of humans. Some of them, especially children who carry high ...

eggs from the large roundworm Ascaris lumbricoides had the highest rate of detection, at 81%. Although similar portable microscopes have been made before, most have stayed in the laboratory.

The giant roundworm Ascaris lumbricoides infects approximately 0.8 billion people worldwide, leading to chronic morbidity including intestinal problems and poor growth, particularly in children.