Current health alerts for Argentina
Health notices reported for Argentina, with what each means for your trip and how to protect yourself. Our pharmacist will tailor this to your plans.
Hantavirus
As of 25 April 2026, 101 confirmed cases of hantavirus infection and 32 deaths have been reported in Argentina during the 2025/2026 season. Cases have been reported in the following provinces: Buenos Aires, Salta, Santa Fe, Chubut, Río Negro, Entre Ríos and Jujuy. Please see UKHSA guidance for more details on hantavirus.
No vaccine — how to stay safe
Follow sensible food, water and bite precautions, and have a word with our pharmacist about protecting yourself.
Chikungunya
As of 16 March 2026, a total of 2,701 chikungunya cases have been reported in Argentina since July 2025. Out of 103 confirmed or probable cases, 63 were locally acquired and 40 cases had a history of travel to either Bolivia, Brazil, Cuba or Paraguay.
There's a vaccine for this
Daytime mosquitoes spread it, so repellent and covering up matter; a vaccine suits some travellers.
Mpox
As of 16 March 2026, one mpox clade Ib case was reported in Argentina in an adult with no recent travel abroad, but a history of sexual contact with multiple people including travellers, in the period before onset of symptoms. This is the first locally acquired case of mpox clade Ib reported in Argentina.
No vaccine — how to stay safe
Avoid close skin-to-skin contact with anyone who has a rash or sores, steer clear of wild animals, and wash hands regularly.
Zika
As of 1 November 2025, a total of 720 cases of Zika virus disease have been reported in Argentina during 2025.
No vaccine — how to stay safe
Steer clear of daytime mosquito bites. If you're pregnant or hoping to be, have a chat with us before you book, and use condoms as Zika can pass on sexually.
Dengue
As of 19 October 2025, a total of 17,689 dengue cases have been reported in Argentina during 2025. Case numbers peaked in May 2025 and show a decrease in numbers compared to 2024. Serotypes DENV-1, DENV-2 and DENV-3.
Argentine haemorrhagic fever
As of 13 September 2025, a total of 373 suspected cases of Argentine haemorrhagic fever (AHF) and 49 confirmed cases, including three deaths, have been reported in Argentina in 2025. Confirmed cases have been reported in Buenos Aires, Cordoba and Santa Fe. Please see UKHSA guidance on AHF for further details.
No vaccine — how to stay safe
Follow sensible food, water and bite precautions, and have a word with our pharmacist about protecting yourself.
Last updated 20 June 2026. Contains public sector information from TravelHealthPro (NaTHNaC), licensed under the Open Government Licence v3.0. © UK Health Security Agency. This is general information, not personal medical advice — your travel-health needs are assessed by our pharmacist.
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