Changes in the pattern of GI infections caused by protozoan parasites during different phases of the COVID-19 pandemic (2020–2021). There are the new cases of A) amebiasis; B) giardiasis; and C) other intestinal protozoal infections. The grey bars represent the average monthly number of cases in the three years preceding the pandemic (2017–2019), while the black bars indicate the number of new cases reported during the pandemic years.