CladeMpox: I mpox: affected countries

Global overview

TheThere are 2 major genetic groups (clades) of MPXV, clade I mpox(formerly outbreakknown isas focusedCentral inAfrican aor numberCongo ofbasin countriesclade) withinand theclade AfricanII region,(formerly known as perWest FigureAfrican 1clade). below.Clade ImportedI cladeis Isplit mpoxinto casesclade outsideIa theand Africanclade regionIb. haveClade beenII reportedis insplit severalinto countries.

Figureclade 1.IIa Africanand regionclade countriesIIb, reportingand laboratoryall confirmedclades cladehave Isubgroup mpoxclusters (historiccalled orlineages. current)

The situationmajority mayof changethe rapidlycases seen in differentthe countries.global Itoutbreak iswhich possiblestarted thatin 2022 were from clade IIb, lineage B.1. The latest epidemiological data on mpox cases(all mayclades) can be presentfound inon countriesthe whoWorld haveHealth notOrganization reported(WHO) cladempox Isurveillance mpoxdashboard.

Figure to1. date.Geographic Mpoxdistribution of anMPXV unknownclades, cladeby hascountry, beenas reportedof in13 GabonMarch but2025 is(adapted presumedfrom tothe beWorld cladeHealth IOrganization (duemulti-country toexternal casesituation travelreport). history).

GivenThe themap continuingis spreadnot indicative of cladeongoing Ioutbreaks mpox,and pleaseis checkgenerated thisfrom webpage regularlyavailable forlaboratory anydata updatesassociated towith theboth countriestravel-associated included.

and locally acquired cases.

Table 1. ListCountries ofreporting countriesthe withhighest evidencenumber of ongoingrecent cladempox Icases (all clades). Adapted from WHO Global mpox transmissiontrends, orupdated exportation2 duringMarch the2025. 2024Data toas 2025of outbreak31 January 2025

Table 2. List of countries in the African region with historical transmission of clade I mpox, with no cases reported during the 2024 to 2025 outbreak

Imported

Clade clade I mpox casesoutbreak: with2024 limitedto or no onward transmission have been reported in several countries:

2025

• Angola

  On (with14 reportedAugust travel2024, historythe toWHO adeclared clade I affected country)

• Belgium (with reported travel history to a cladePublic IHealth affectedEmergency Africanof country),International withConcern limited transmission among household contacts
• Brazil (webpage in Portuguese)response (with reported travel history to the Democraticupsurge Republic of the Congo)
• Canada (with reported travel history to a clade I affectedmpox Africanin country)
• China (with reported travel history to the Democratic Republic of the Congo and Uniteda Arabgrowing Emirates),number withof limitedcountries transmissionin amongthe closeAfrican contacts
• FranceRegion. (withThis reportedoutbreak travelremains historyongoing, towith aevidence cladeof Isustained affectedcommunity Africantransmission country),in withseveral limitedcountries, transmissionas amongper closeTable contacts
• Germany has2.

  Travel-associated reported imported clade I mpox cases (withoutside reportedthe travelAfrican historyRegion tohave Rwanda,been Tanzaniareported orin otherseveral cladecountries. IWhilst affectedthere Africanis countries),currently withno limitedevidence transmissionof amongsustained householdcommunity contacts

• India (withtransmission reportedof travelclade historyI tompox theoutside United Arab Emirates)
• Republic of IrelandAfrican (withRegion reportedcountries, travellimited historylocal totransmission the(for Democraticexample, Republichousehold oftransmission) thehas Congo)
• Oman (withbeen reported travelin historyBelgium, toChina, theFrance, United Arab Emirates)
• PakistanGermany (withand reported travel history to the United Arab Emirates)
• QatarKingdom.

  Figure (with2. reportedAfrican travelregion historycountries toreporting Uganda)

• Southlaboratory Africaconfirmed (withclade reportedI travelmpox history(historic toor Uganda)
• Sweden (withcurrent)

  

  Mpox reportedof travelan historyunknown to a clade Ihas affectedbeen Africanreported country)

• Thailand (within reportedGabon travelbut historyis presumed to abe clade I affected(due Africanto country)
• Unitedcase States (with reported travel historyhistory).

  Table to2. aCountries cladewith Ievidence affectedof Africanongoing country)

• the United Kingdom has reported imported clade I mpox casestransmission (withor reportedexportation travelduring historythe 2024 to clade2025 Ioutbreak
  Zimbabwe

  Country	Evidence affected countries in Africa), with limited of transmission among household contacts	Clade
  Burundi	Community (withtransmission	Ib
  Central reportedAfrican travelRepublic	Community historytransmission	Ia
  Democratic toRepublic Tanzania) Theseof countriesthe areCongo	Community nottransmission	Ia consideredand asIb
  Gabon	Community clade transmission	I
  Kenya	Community mpoxtransmission	Ib
  Republic affected for purposes of testingthe orCongo	Community guidance,transmission	Ia unlessand anIb
  Rwanda	Community individualtransmission	Ib
  South reportsSudan	Unclear being(historical acommunity contacttransmission)	Ia
  Tanzania	Unclear of(evidence a confirmed case in one of theseexported cases)	Ib
  Uganda	Community countries.transmission	Ib
  United ReportedArab travelEmirates	Unclear history(evidence is not necessarily indicative of acquisitionexported cases)	Ib
  Zambia	Community in-country and investigations may be ongoing. transmission	Ib