Volunteer work: how to join medical volunteering in the Amazon

    What volunteer work is, who can join, what it costs, the next expeditions and the step-by-step application to ONG Zoé.

    • Free to apply
    • Health and other fields
    ONG Zoé volunteer caring for a patient in a riverside community in the Amazon

    Zoé in numbers

    active volunteers
    501
    expeditions completed
    54
    hours donated
    37,440
    patient visits
    31,257

    Who can volunteer

    Zoé expeditions are multidisciplinary. They take doctors, nurses, dentists, physiotherapists, psychologists, pharmacists, nutritionists and social workers — and also students and volunteers from other fields, who help with logistics, running the clinic and communications.

    In the field, care covers general medicine, pediatrics, dentistry, ophthalmology and gynecology, among other specialties. Beyond consultations, the team runs exams, performs minor surgeries, distributes medications and glasses, and does health education with the community.

    Every volunteer goes through a selection and preparation process before travelling — including those who have joined us before.

    What an expedition is like

    • 7 to 14 daysis how long an expedition lasts
    • 6 municipalitiesin western Pará have hosted expeditions
    • 14 hours by boatto the riverside communities of the Arapiuns

    Expeditions typically last 7 to 14 days. Volunteers travel to the region and are accompanied by the Zoé team from the first day to the last.

    Zoé works in riverine and indigenous communities of the Brazilian Amazon, focusing on the state of Pará. We have taken expeditions to six municipalities in western Pará, from Belterra to the Zo'é Indigenous Territory, and we reach communities that are days of travel from the nearest cities: to reach the riverside communities of the Arapiuns, for instance, we sail for 14 hours.

    On expedition days everything happens at once: one consultation after another, surgeries scheduled on the spot, glasses handed over the same afternoon. A local clinic or hospital becomes the team's base for the stay.

    Costs and what is covered

    Volunteering costs nothing.

    Zoé provides

    • Guidance
    • Meals
    • Accommodation
    • Local transport
    • Support from the team from the first day to the last

    Sometimes we ask

    Sometimes, as with doctors, we ask volunteers to donate the cost of their own travel — we talk about it in the interview.

    All of this reaches our volunteers thanks to donations. If you can, donate here.

    Step by step: how to apply

    Through the form below — the same application for health professionals, students and volunteers from other fields.

    1. Application

      You fill in the form on this page, with your profession and specialty.

    2. Selection and preparation

      Our team reviews your details and replies by email with the next steps. Once approved, you complete your registration and sign the volunteer agreement.

    3. Choosing the expedition

      Each expedition has its own destination, team and specialties. The confirmed dates are just below.

    4. Departure

      An expedition lasts 7 to 14 days. You travel to the region and are accompanied by the Zoé team from the first day to the last.

    Start your application

    Upcoming expeditions

    The dates confirmed in our calendar. Open each expedition to see the destination, the team and the specialties — and use the form on this page to apply.

    Upcoming ONG Zoé expeditions: dates, location and specialties.
    ExpeditionDatesLocationSpecialtiesApplication
    Next departure
    55th Expedition: Surgical December 2026
    BelterraSurgeon, Anesthesia, Sonographer, Dermatologist, Urologist, Pediatric neurologist, Dentistry, Gynecologist, PediatricsI want to join this expedition →
    Applications open
    56th Expedition: January White 2027
    BelterraPsychologist, PsychiatristI want to join this expedition →
    Applications open
    57th Expedition: Amazonian Vision 3
    BelterraOphthalmologyI want to join this expedition →
    See all expeditions

    What volunteer work is

    In Brazil, volunteer work has a legal definition: work an individual chooses to do without pay, for a public body or for a non-profit organisation. The rule that governs it is Law 9,608/1998, which covers purposes such as assistance to people, education, culture, science and civic activity — the frame that health care in the communities Zoé serves fits into.

    Two consequences matter to anyone about to travel. First, volunteering creates no job: no salary, no employment contract, no labour or social-security charges between you and the organisation. Second, the arrangement has to be in writing, in an agreement stating what you will do and under what conditions. At Zoé, that is the volunteer agreement you sign once your application is approved.

    In practice, health volunteering in the Amazon is exactly this: professionals and students who give days of work on an expedition, unpaid and with no employment relationship, to care for riverine and indigenous communities that are days of travel from the nearest city.

    Read Law 9,608/1998 on the Brazilian government portal

    For the full explanation, with the types of volunteer work and how to get started, read the article on the Zoé blog.

    Also read what health volunteering in the Amazon is like.

    What volunteer work is worthServices donated by Zoé's volunteers, per year, in millions of reais (R$). Total: R$ 7.37 million.
    1. 0.06
      2020
    2. 0.38
      2021
    3. 1.21
      2022
    4. 1.11
      2023
    5. 1.09
      2024
    6. 1.97
      2025
    7. 1.55*
      2026

    Hours actually worked × market value of the specialty (explanatory note 11 of the audited financial statements), added up by the start year of each expedition. *2026 includes planned expeditions. See the audit

    What it's like, from people who went

    Public reviews volunteers left on Zoé's Google profile. The words are theirs, unchanged — cuts are marked with ellipses; the profession and the photo come from our volunteer records. The reviews were written in Portuguese and are shown as written.

    • ★★★★★
      “Fui voluntário da ONG Zoé em dezembro/2025, como acadêmico do quinto ano de Medicina. A experiência foi sensacional, pude aprender muito sobre a prática clínica e cirúrgica, bem como sobre a cultura local e a essência do trabalho voluntário. Fiz grandes amigos que vou levar para a vida, e com certeza pretendo voltar! Obrigado Zoé pela oportunidade, e até logo!”
      Gabriel Garcia SchmittEstudante de medicina · December 2025(in Portuguese)
    • ★★★★★
      “…Nestes últimos dias vivenciei uma das experiências mais incríveis da minha vida, tive a honra de participar de uma grande ação voluntária, a 42ª expedição da @ongzoe. Trabalhamos muito, é verdade, mas foi muito prazeroso, sempre finalizando com aquele fim de tarde inesquecível. Fizemos muitos amigos, trocamos experiências e sobretudo fizemos o bem, levando saúde a uma população maravilhosa e acolhedora e que infelizmente, não tem acesso a cuidados mínimos…”
      José Otávio Guedes JunqueiraCirurgia Geral · 42nd expedition · December 2025(in Portuguese)
    • ★★★★★
      “Tive o prazer de estar na 31° Expedição ONG.ZOÉ, irei guardar no coração os momentos ali vividos, cada paciente, história experiência única de amor ao próximo, poder contribuir para assistência de uma população que tanto necessita ser vista e cuidada...Obrigado ONG ZOÉ pela oportunidade.”
      Rodrigo GomesTécnico em enfermagem · 31st expedition · November 2022(in Portuguese)
    • ★★★★★
      “…Pude dar o meu melhor num local absolutamente remoto e desprovido de tecnologia porque a ONG e sua equipe levaram a tecnologia para lá . Pude atender um maior número de pessoas do que faria sozinha, pois com uma equipe tudo foi montado com rapidez e eficiência , fluindo de forma rápida e extremamente efetiva. E a melhor parte foi poder compartilhar conhecimento com médicos e enfermeiros do local…”
      Ana Paula VerschooreRadiologista · April 2023(in Portuguese)
    • ★★★★★
      “Mais uma expedição completada com sucesso! O esforço de todos é sempre recompensado pela alegria de aliviar um pouco a dor de que sofre. Sempre uma boa oportunidade de conhecer e fazer novas amizades. Que a chama do poder cuidar e doar-se perpetue-se! Parabéns a todos envolvidos!”
      Oswaldo Wiliam Marques JuniorCirurgia do Aparelho Digestivo · June 2023(in Portuguese)
    • ★★★★★
      “A Zoé cruzou o meu caminho e sou muito grata por ter sido acolhida por pessoas tão especiais e dispostas a colocar a mão na massa em benefício do próximo. Levar saúde a populações ribeirinhas do rio Tapajós é a missão da Zoé. E a minha contribuição, como profissional de comunicação, é ecoar esta história por todos os cantos do país. Não dá para chamar isso de trabalho, ganhei um presente!”
      Lidia de SantanaAssessora de Imprensa · September 2021(in Portuguese)

    Apply as a volunteer

    The same application for health professionals, students and volunteers from other fields. It takes a few minutes.

    1. Application reviewOur team will review your details.
    2. Email contactYou'll receive an email with instructions to complete your registration.
    3. Formal registrationOnce approved, you'll complete your full registration and sign the volunteer agreement.
    Your detailsStep 1 of 3

    We only use your details to review your application and talk to you about volunteering.

    Frequently asked questions about volunteering

    Do I have to be a doctor to volunteer with Zoé?

    No. Expeditions take doctors, nurses, dentists, physiotherapists, psychologists, pharmacists, nutritionists and social workers — and also volunteers without a health background, who help with logistics, running the clinic and communications. The form on this page has an option for each case.

    How long does an expedition last?

    Expeditions typically last 7 to 14 days, including the journey to the community. Volunteers travel to the region and are accompanied by the Zoé team throughout the expedition.

    What does volunteering cost and who pays for the trip?

    Volunteering costs nothing. Zoé provides guidance, meals and accommodation during the expedition. Sometimes, as with doctors, we ask volunteers to donate the cost of their own travel — we talk about it in the interview.

    Can students volunteer?

    “Student” is one of the profile options in the form. Like every volunteer, students go through the selection and preparation process before travelling, and always work alongside the team.

    How do I sign up?

    Through the form on this page. Our team reviews your application and replies by email with the next steps. Once approved, you complete your registration and sign the volunteer agreement.

    Where does Zoé work?

    In riverine and indigenous communities of the Brazilian Amazon, focusing on the state of Pará — Belterra, Santarém, the Arapiuns river region and indigenous territories, among others. We have taken expeditions to six municipalities in western Pará, reaching communities that are days of travel from the nearest cities.

    How do I volunteer in the Amazon?

    Through the form on this page. You apply with your profession and specialty, our team reviews it and replies by email; once approved, you complete your registration and sign the volunteer agreement. With your registration approved, you join one of the expeditions on the calendar and travel alongside the Zoé team, in riverine and indigenous communities of the Amazon, with a focus on Pará.

    Who can do volunteer work?

    Any individual can provide volunteer service to a non-profit organisation — Brazilian Law 9,608/1998 requires no particular qualification. Zoé expeditions take doctors, nurses, dentists, physiotherapists, psychologists, pharmacists, nutritionists and social workers, plus students and volunteers from other fields, who help with logistics, running the clinic and communications.

    Is volunteering on an Amazon expedition safe?

    Nobody travels alone: the Zoé team accompanies the group from the first day of the expedition to the last, and a local clinic or hospital becomes the base for care during the stay. Every volunteer goes through a selection and preparation process before travelling, and Zoé provides guidance, meals and accommodation during the expedition.

    Do I need training or a course before volunteering?

    What does exist is the selection and preparation process every volunteer goes through before travelling, including those who have joined us before. Health professionals work in their own specialty; volunteers without a health background help with logistics, running the clinic and communications.

    Can't travel right now?

    Every expedition depends on transport, medication and equipment. Donating is the other way to get the team there.

    Donate to an expedition
    Free to applyBecome a volunteer