Table 4.
Prevalence of helminths, COVID-19 and PM2.5 air pollution in the Americas, Eastern Mediterranean and European region.
| Countries ranked based on helminth prevalence | Total population, n | Helminths prevalence, n |
COVID-19 prevalence up to 19 April 2021, n |
Air quality index (AQI) | ||
|---|---|---|---|---|---|---|
| Total cases, n | Total deaths, n | Total recovered, n | PM2.5 (µg/m3), mean [95% CI] | |||
| The Americas | ||||||
| Mexico | 130,009,363 | 19,900,177 | 2,311,172 | 213,048 | 1,836,377 | 20.08 [16.66–27.19] |
| Brazil | 213,761,802 | 9,547,212 | 13,943,071 | 373,442 | 12,391,599 | 11.49 [10.92–14.92] |
| Venezuela | 28,371,608 | 8,049,594 | 183,190 | 1,905 | 165,858 | 15.82 [10.85–25.87] |
| Guatemala | 18,178,124 | 4,957,871 | 212,734 | 7,21 | 190,944 | 23.59 [17.8–30.87] |
| Colombia | 51,313,902 | 3,186,736 | 2,652,947 | 68,328 | 2,471,498 | 15.24 [11.62–23.37] |
| Dominican Republic | 10,934,383 | 2,749,409 | 261,129 | 3,418 | 218,724 | 12.95 [6.38–26.69] |
| Honduras | 10,029,541 | 2,214,843 | 200,935 | 4,957 | 76,339 | 20.12 [14.64–28.86] |
| Paraguay | 7,202,123 | 1,974,836 | 250,165 | 5,313 | 205,883 | 11.16 [7.56–16.46] |
| Nicaragua | 6,687,161 | 1,611,101 | 6,778 | 180 | 4,225 | 16.87 [11.29–25.23] |
| El Salvador | 6,512,268 | 1,443,743 | 67,557 | 2,078 | 63,787 | 23.42 [16.14–36.25] |
| Haiti | 11,512,932 | 920,867 | 12,918 | 251 | 11,791 | 14.63 [7.6–31.21] |
| Peru | 33,336,408 | 342,185 | 1,704,757 | 57,230 | 1,627,969 | 24.27 [20.32–32.81] |
| Guyana | 789,575 | 204,303 | 11,863 | 271 | 10,180 | 20.46 [9.29–43.63] |
| Bolivia | 11,799,417 | 190,910 | 289,066 | 12,648 | 238,195 | 20.24 [14.83–32.18] |
| Argentina | 45,525,551 | 160,777 | 2,694,014 | 59,228 | 2,364,171 | 11.83 [9.82–18.99] |
| Panama | 4,368,639 | 51,175 | 360,841 | 6,188 | 350,610 | 11.18 [8.62–15.18] |
| Antigua and Barbuda | 98,574 | 1,201 | 1,216 | 31 | 986 | 17.92 [10.4–34.1] |
| Saint Vincent and Grenadines | 111,223 | 702 | 1819 | 10 | 1677 | 21.2 [11.39–43.17] |
| Dominica | 72,129 | 551 | 165 | 0 | 159 | 18.17 [10.84–34.39] |
| Overall prevalence, n (%) | 590,614,723 (7,51)a | 57,508,193 (9,74)b | 25,160,767 (4,26)c | 808,538 (3,22)d | 45,355,837 (88,34)e | Average PM2.5: 17.40 [11.95–28.49] |
| Eastern Mediterranean | ||||||
| Pakistan | 224,289,117 | 25,234,450 | 761,437 | 16,316 | 662,845 | 55.21 [46.7–75.74] |
| Afghanistan | 39,621,758 | 16,222,053 | 58,038 | 2,550 | 52,244 | 53.17 [40.08–75.76] |
| Yemen | 30,345,627 | 9,833,727 | 5,858 | 1,132 | 2,261 | 44.96 [20.93–111.1] |
| Syrian Arab Republic | 17,837,821 | 2,440,286 | 21,279 | 1,456 | 14,958 | 39.43 [32.43–58.91] |
| Iraq | 40,936,402 | 2,170,486 | 984,950 | 15,026 | 864,039 | 57.73 [42.24–87.6] |
| Somalia | 16,243,130 | 1,972,987 | 13,079 | 670 | 5,413 | 29.51 [17–56.06] |
| Sudan | 44,658,737 | 1,217,659 | 31,790 | 2,208 | 25,539 | 47.92 [25.05–113.4] |
| Djibouti | 999,401 | 110,561 | 10,460 | 116 | 9,172 | 40.38 [16.09–111.5] |
| Overall prevalence, n (%) | 414,931,993 (5,28)a | 59,202,209 (14,27)b | 1,886,891 (0,45)c | 39,474 (2,09)d | 1,636,471 (86,73)e | Average PM2.5: 46.04 [20.07–86.26] |
| European region | ||||||
| Tajikistan | 9,707,083 | 3,161,746 | 13,308 | 90 | 13,218 | 40.05 [19.93–84.69] |
| Kyrgyzstan | 6,609,541 | 2,169,854 | 92,095 | 1,555 | 87,056 | 18.12 [12.77–35.24] |
| Azerbaijan | 10,211,851 | 686,000 | 301,661 | 4,169 | 265,539 | 18.2 [10.8–35.39] |
| Uzbekistan | 33,854,114 | 405,951 | 86,982 | 638 | 84,307 | 25.29 [13.15–51.5] |
| Overall prevalence, n (%) | 60,382,589 (0,77)a | 6,423,551 (10,64)b | 494,046 (0,82)c | 6,452 (1,31)d | 450,120 (91,11)e | Average PM2.5: 25.42 [14.16–51.71] |
% Overall prevalence (Total population) = Total population in The Americas or Eastern Mediterranean or European region / World population as of 21 April 2021 (7,860,798,912) × 100.
% Overall prevalence (Helminths prevalence) = Total helminths prevalence in The Americas or Eastern Mediterranean or European region / Total population in The Americas or Eastern Mediterranean or European region × 100.
% Overall prevalence (Total COVID-19 cases) = Total COVID-19 cases in The Americas or Eastern Mediterranean or European region / Total population in The Americas or Eastern Mediterranean or European region × 100.
% Overall prevalence (Total COVID-19 deaths) = Total COVID-19 deaths in The Americas or Eastern Mediterranean or European region / Total COVID-19 cases in The Americas or Eastern Mediterranean or European region × 100.
% Overall prevalence (Total COVID-19 recovery rate) = Total COVID-19 recovery rate in The Americas or Eastern Mediterranean or European region / Total COVID-19 cases in The Americas or Eastern Mediterranean or European region × 100.