Monkeypox 2022 global epidemiology; Report 2022-07-18

From the Global.health team (info@global.health) • Permalink

Summary

The Monkeypox 2022 outbreak has to date been detected in 76 countries (either confirmed or suspected cases), with 66 confirming transmission, 7 countries continuing to have suspected cases only, and 30 countries having discarded cases that were suspected, out of which 13 have only discarded cases. Overall there are 12261 confirmed and 37 suspected cases (as of 2022-07-18; Figure 1A). Since 2022-07-14, 1133 new confirmed cases have been reported, and 1 new country has been added to the list (Saudi Arabia) (Figure 1B).

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graph: Travel history and confirmed cases
Figure 1: A) Number of confirmed cases since May 7 2022 per country. Lines show reported travel history between countries and colour indicates the date of travel. B) Number of cumulative confirmed cases and number of countries who have reported confirmed cases. Link to figure
Country Confirmed % difference in cases compared to last week
Spain 2835 39
Germany 1859 24
England 1778 19
United States 1464 85
France 908 25
Netherlands 549 36
Portugal 515 8
Canada 478 27
Italy 339 32
Brazil 310 79
Belgium 224 33
Switzerland 198 41
Israel 88 49
Austria 83 33
Sweden 58 34
Peru 55 205
Ireland 54 22
Scotland 46 12
Norway 37 48
Denmark 37 105
Australia 33 65
Mexico 27 145
Hungary 24 0
Poland 22 83
Wales 20 11
Slovenia 19 5
Ghana 18 0
Chile 16 23
Romania 16 14
Greece 13 18
Finland 13 30
United Arab Emirates 13 0
Northern Ireland 12 9
Argentina 12 100
Czech Republic 12 50
Malta 9 125
Colombia 7 40
Iceland 6 0
Puerto Rico 6 500
Singapore 6 50
Luxembourg 6 100
South Africa 3 50
Croatia 3 200
Benin 3 0
Bulgaria 3 0
Taiwan 2 100
Latvia 2 0
Morocco 1 0
Slovakia 1 0
Dominican Republic 1 0
Gibraltar 1 0
South Korea 1 0
Lebanon 1 0
Serbia 1 0
Ecuador 1 0
Estonia 1 0
Turkey 1 0
Jamaica 1 0
Georgia 1 0
Venezuela 1 0
Panama 1 0

Table 1: Number of confirmed cases by country (highest to lowest) and percentage change since last week.

Of the 12261 number of confirmed cases, 170 reported travel history. For 92 cases, travel history location was unknown.

The mean delay between confirmation and entry of suspected case was 3.48 days (median 2 days) and varied by country (n = 779 total number of cases where the dates of suspected and confirmed was known; Figure 2). Most countries do not report suspected cases.

graph: Delay to confirmation by country
Figure 2: Delay to confirmation by country. Link to figure

Genomic data is being reported via multiple open source repositories. In order to support ongoing genomic surveillance and improve representativeness of genomic sequences we here plot the relationship between number of genomic sequences vs. number of confirmed cases (Figure 3). The (combined) number of genomic sequences of the current outbreak is 374, where we consider a genomic sequence to be related to the current outbreak if it was reported from May 2022 onwards. The country with the highest number of genomic sequences reported is Germany. A comparison between the number of genomes and number of confirmed cases is below (Figure 3).

graph: Number of sequences from Nextstrain and confirmed cases
Figure 3: Number of sequences (downloaded via Nextstrain) and confirmed cases. Link to figure

The age and gender ratio is shown in Figure 4. 99 percent of cases (for which there was an entry for gender) are described as male. The mean age of confirmed cases is 41.

graph: Age and gender distribution
Figure 4: Age and gender distribution of monkeypox confirmed cases in 2022. 9% of confirmed cases include sufficient metadata to be included in this figure. Of these cases, 95% include reported age ranges that span multiple age categories. Under such circumstances, counts are evenly distributed among the categories that capture the reported age range. Link to figure

Data accessibility and reproducibility: All data used in this report are available from: https://github.com/globaldothealth/monkeypox. Should you identify any issues or have questions please raise an issue on GitHub or write to us: info@global.health. Latest data can be downloaded from here: https://github.com/globaldothealth/monkeypox/blob/main/latest.csv

Please see a description of the data curation process here: https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(22)00359-0/fulltext