Countries.

American Samoa
Cook Islands
Fiji
French Polynesia
Guam
Kiribati
Marshall Islands
Federated States of Micronesia
Nauru
New Caledonia
Niue
Northern Marianas Islands
Palau
Papua New Guinea
Samoa
Solomon Islands
Tokelau
Tonga
Tuvalu
Vanuatu
Wallis & Futuna
American Samoa
Capital: Pago Pago
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks 
(most recently 2018)
Zika

Outbreaks occurred 
during 2016 & 2018
Chikungunya

Outbreaks occurred in 2014
Lymphatic filariasis

Present
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes polynesiensis
Zika

Aedes aegypti
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes polynesiensis
Lymphatic filariasis

Aedes samoanus
Aedes polynesiensis
Aedes upolensis
Cook Islands
Capital: Avarua
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently 2021)
Zika

Outbreaks occurred in 2014
Chikungunya

Outbreak occurred in
2014-2015
Lymphatic filariasis

Elimination validated
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes polynesiensis
Zika

Aedes aegypti
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes polynesiensis
Lymphatic filariasis

Aedes polynesiensis
Fiji
Capital: Suva
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Endemic
Zika

Cases were detected during 2015 and 2016
Chikungunya

Multiple outbreaks occurred between 2012 and 2017
Lymphatic filariasis

Present
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Aedes pseudoscutellaris
Aedes rotumae
Zika

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Lymphatic filariasis

Aedes fijiensis
Aedes polynesiensis
Aedes pseudoscutellaris
Aedes rotumae
Culex quinquefasciatus
French Polynesia
Capital: Papeete
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently 2024)
Zika

Cases were detected in 2016
Chikungunya

Large outbreaks occurred between 2014 and 2015
Lymphatic filariasis

Present
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes polynesiensis
Zika

Aedes aegypti
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes polynesiensis
Lymphatic filariasis

Aedes polynesiensis
Guam
Capital: Hagåtña
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently 2019)
Zika

Cases were detected in 2016
Chikungunya

Large outbreaks occurred between 2014 and 2015
Lymphatic filariasis

Non-endemic
Vector situation
Disease Vectors
Malaria

Anopheles barbirostris
Anopheles campestris
Anopheles lesteri
Anopheles indefinitus
Anopheles litoralis
Anopheles vagus
Anopheles subpictus
Dengue

Aedes albopictus
Zika

Aedes albopictus
Chikungunya

Aedes albopictus
Lymphatic filariasis

Anopheles barbirostris
Anopheles campestris
Anopheles subpictus
Culex quinquefasciatus
Mansonia uniformis
Kiribati
Capital: South Tarawa
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently 2018)
Zika

Cases were detected in 2016
Chikungunya

An outbreaks occurred between 2014 and 2015
Lymphatic filariasis

Post MDA
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes albopictus
Aedes marshallensis
Zika

Aedes aegypti
Aedes albopictus
Chikungunya

Aedes aegypti
Aedes albopictus
Lymphatic filariasis

Aedes marshallensis
Culex quinquefasciatus
Marshall Islands
Capital: Delap-Uliga-Djarrit
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently 2020)
Zika

Cases were detected in 2016
Chikungunya

An outbreak occurred in 2015
Lymphatic filariasis

Elimination validated
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes albopictus
Aedes marshallensis
Zika

Aedes aegypti
Aedes albopictus
Chikungunya

Aedes aegypti
Aedes albopictus
Lymphatic filariasis

Aedes marshallensis
Culex quinquefasciatus
Federated States of Micronesia
Capital: Palikir
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently 2020)
Zika

Cases were detected in 2016
Chikungunya

No reported cases
Lymphatic filariasis

Post MDA
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes albopictus
Aedes hensilli
Aedes marshallensis
Zika

Aedes aegypti
Aedes albopictus
Aedes hensilli
Chikungunya

Aedes aegypti
Aedes albopictus
Aedes hensilli
Lymphatic filariasis

Aedes marshallensis
Culex quinquefasciatus
Nauru
Capital: Yaren
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
No reported cases

Sporoadic outbreaks
(most recently 2019)
Zika

No reported cases
Chikungunya

Small outbreak in 2015
Lymphatic filariasis

Non-endemic
Vector situation
Disease Vectors
Malaria

No vectors present
No reported cases

Aedes aegypti
Aedes albopictus
Zika

Aedes aegypti
Aedes albopictus
Chikungunya

Aedes aegypti
Aedes albopictus
Lymphatic filariasis

Culex quinquefasciatus
New Caledonia
Capital: Nouméa
Mosquito-borne disease situation
Disease Transmission Scenario
Non-endemic

Non-endemic
Dengue

Sporadic outbreaks
(most recently 2021)
Zika

No reported cases
Chikungunya

Large outbreak in 2014-15 and small outbreak in 2016
Lymphatic filariasis

Present
Vector situation
Disease Vectors
Non-endemic

Anopheles bancrofti A
Dengue

Aedes aegypti
Zika

Aedes aegypti
Chikungunya

Aedes aegypti
Lymphatic filariasis

Anopheles bancrofti A
Aedes vigilax
Culex quinquefasciatus
Niue
Capital: Alofi
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Irregular outbreaks
(most recently 2017)
Zika

No reported cases
Chikungunya

No reported cases
Lymphatic filariasis

Elimination validated
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes polynesiensis
Aedes cooki
Zika

Aedes aegypti
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes polynesiensis
Lymphatic filariasis

Aedes polynesiensis
Aedes cooki
Northern Marianas Islands
Capital: Saipan
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic

 
Dengue

No outbreaks reported

 
Zika

No reported cases

 
Chikungunya

No reported cases

 
Lymphatic filariasis

Non-endemic

 
Vector situation
Disease Vectors
Malaria

Anopheles indefinitus

 
Dengue

Aedes albopictus

 
Zika

Aedes albopictus

 
Chikungunya

Aedes albopictus

 
Lymphatic filariasis

Culex quinquefasciatus

 
Palau
Capital: Ngerulmud
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently in 2020)
Zika

A case was reported in 2016
Chikungunya

No reported cases
Lymphatic filariasis

Post MDA
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes albopictus
Aedes hensilli
Aedes scutellaris
Zika

Aedes aegypti
Aedes albopictus
Aedes hensilli
Chikungunya

Aedes aegypti
Aedes albopictus
Aedes hensilli
Lymphatic filariasis

Culex quinquefasciatus
Papua New Guinea
Capital: Port Moresby
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Endemic
Dengue

Sporadic outbreaks
(most recently in 2020)
Zika

Cases reported between 2015 and 2016
Chikungunya

No reported cases
Lymphatic filariasis

Present
Vector situation
Disease Vectors
Malaria

An. bancroftii s.l.
An. karwari
An. longirostris s.l.
An. subpictus
An. farauti 4
An. punctulatus
An. farauti 8
An. farauti s.s.
An. hinesorum
An. oreios
An. koliensis s.l.
Dengue

Ae. aegypti
Ae. albopictus
Ae. hebrideus
Ae. scutellaris
Zika

Ae. aegypti
Ae. albopictus
Chikungunya

Ae. aegypti
Ae. albopictus
Lymphatic filariasis

An. bancrofti s.l.
An. farauti s.s.
An. hinesorum
An. koliensis s.l.
An. punctulatus
Ae. kochi
Cx. annulirostris
Cx. bitaeniorhynchus
Cx. quinquefasciatus
Ma. uniformis
Samoa
Capital: Apia
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently in 2024)
Zika

Outbreak in 2015 to 2016
Chikungunya

Outbreak in 2014 to 2015
Lymphatic filariasis

Present
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Zika

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Lymphatic filariasis

Aedes samoanus
Aedes polynesiensis
Aedes upolensis
Solomon Islands
Capital: Honiara
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Endemic
Dengue

Sporadic outbreaks
(most recently in 2019)
Zika

Cases reported between 2015 and 2016
Chikungunya

No reported cases
Lymphatic filariasis

Non-endemic
Vector situation
Disease Vectors
Malaria

Anopheles punctulatus
Anopheles farauti s.s.
Anopheles hinesorum
Dengue

Aedes aegypti
Aedes albopictus
Aedes hebrideus
Zika

Aedes aegypti
Aedes albopictus
Chikungunya

Aedes aegypti
Aedes albopictus
Lymphatic filariasis

Anopheles punctulatus
Anopheles farauti s.s.
Anopheles hinesorum
Culex quinquefasciatus
Tokelau
Capital: Nukunonu
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently in 2024)
Zika

No reported cases
Chikungunya

Outbreak in 2014
Lymphatic filariasis

Non-endemic
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes polynesiensis
Zika

Aedes aegypti
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes polynesiensis
Lymphatic filariasis

Aedes polynesiensis
Tonga
Capital: Nuku'alofa
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently in 2018)
Zika

Outbreak in 2016
Chikungunya

No reported cases
Lymphatic filariasis

Elimination validated
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes albopictus
Aedes cooki
Aedes kesseli
Aedes tabu
Aedes tongae s.s.
Zika

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Lymphatic filariasis

Aedes oceanicus
Aedes cooki
Aedes kesseli
Aedes tabu
Aedes tongae s.s.
Tuvalu
Capital: Funafuti
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently in 2019)
Zika

No cases reported
Chikungunya

Cases reported in 2015
Lymphatic filariasis

Present
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes polynesiensis
Zika

Aedes aegypti
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes polynesiensis
Lymphatic filariasis

Aedes polynesiensis
Vanuatu
Capital: Port Vila
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Endemic
Dengue

Sporadic outbreaks
(most recently in 2021)
Zika

Cases reported in 2015
Chikungunya

No reported cases
Lymphatic filariasis

Elimination validated
Vector situation
Disease Vectors
Malaria

Anopheles farauti s.s.
Dengue

Aedes aegypti
Aedes albopictus
Aedes hebrideus
Aedes polynesiensis
Zika

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes albopictus
Aedes polynesiensis
Lymphatic filariasis

Anopheles farauti s.s.
Aedes polynesiensis
Culex quinquefasciatus
Wallis & Futuna
Capital: Matā'utu
Mosquito-borne disease situation
Disease Transmission Scenario
Malaria

Non-endemic
Dengue

Sporadic outbreaks
(most recently in 2021)
Zika

No reported cases
Chikungunya

No reported cases
Lymphatic filariasis

Post MDA
Vector situation
Disease Vectors
Malaria

No vectors present
Dengue

Aedes aegypti
Aedes polynesiensis
Zika

Aedes aegypti
Aedes polynesiensis
Chikungunya

Aedes aegypti
Aedes polynesiensis
Lymphatic filariasis

Aedes polynesiensis