This statistic shows the number of countries worldwide that required preventative chemotherapy for select neglected tropical diseases as of 2020. As of that time, around 64 countries needed preventative chemotherapy for trachoma.
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WHO. (December 3, 2021). Number of countries worldwide that required preventative chemotherapy for select neglected tropical diseases in 2020 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/870983/countries-requiring-preventative-chemo-therapy-for-neglected-tropical-diseases/
WHO. "Number of countries worldwide that required preventative chemotherapy for select neglected tropical diseases in 2020." Chart. December 3, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/870983/countries-requiring-preventative-chemo-therapy-for-neglected-tropical-diseases/
WHO. (2021). Number of countries worldwide that required preventative chemotherapy for select neglected tropical diseases in 2020. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/870983/countries-requiring-preventative-chemo-therapy-for-neglected-tropical-diseases/
WHO. "Number of Countries Worldwide That Required Preventative Chemotherapy for Select Neglected Tropical Diseases in 2020." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 3 Dec 2021, /statistics/870983/countries-requiring-preventative-chemo-therapy-for-neglected-tropical-diseases/
WHO, Number of countries worldwide that required preventative chemotherapy for select neglected tropical diseases in 2020 ÌÇÐÄÆƽâ°æ, /statistics/870983/countries-requiring-preventative-chemo-therapy-for-neglected-tropical-diseases/ (last visited July 26, 2026)
Number of countries worldwide that required preventative chemotherapy for select neglected tropical diseases in 2020 [Graph], WHO, December 3, 2021. [Online]. Available: /statistics/870983/countries-requiring-preventative-chemo-therapy-for-neglected-tropical-diseases/
