# Anvisa Updates Flu Vaccine Composition for 2027

> Anvisa sets 3 new flu virus strains for 2027 vaccines in Brazil starting Feb 2027.
- Title: Anvisa Updates Flu Vaccine Composition for 2027 · Poder360
- Summary: Anvisa sets 3 new flu virus strains for 2027 vaccines in Brazil starting Feb 2027. Brazil's health agency updates flu vaccines to include 3 new strains for…
- Keywords: anvisa, hemisferio sul, programa nacional de imunizacoes, saude publica, vacina da gripe, viruss influenza, news, brazil, politics, Updates, Flu, Vaccine
- Source: Poder360 — https://poder360.com.br/poder-saude/anvisa-atualiza-composicao-de-vacinas-contra-gripe-para-2027
- Author: PODER360
- Published: 2026-11-03T11:47:39+00:00
- Read time: 1 min
- Topics: anvisa, hemisferio sul, programa nacional de imunizacoes, saude publica, vacina da gripe, viruss influenza, news, brazil, politics
## Anvisa updates flu vaccine composition
The Anvisa agency updated the influenza virus strains for vaccines in Brazil for 2027.
## New strains effective from February 2027
The updated vaccines will include 3 new strains starting February 1, 2027.
## Published in Diario Oficial
The change was published in the Diário Oficial da União on November 3, 2026.
## Replaces previous composition
The new composition replaces the previous IN Anvisa nº 440 from May 7, 2026.
## Strains for egg-based vaccines
Egg-based vaccines will include influenza A/Missouri/11/2025 (H1N1)pdm09, A/Darwin/1454/2025 (H3N2), and B/Tokyo/EISI13-175/2025.
## Strains for non-egg vaccines
Non-egg vaccines will include influenza A/Missouri/11/2025 (H1N1)pdm09, A/Darwin/1454/2025 (H3N2), and B/Pennsylvania/14/2025.
## Labeling requirement
Vaccines for the Southern Hemisphere must label them as 'CEPAS 2027 HEMISFÉRIO SUL'.
## Northern Hemisphere vaccines
The Northern Hemisphere vaccines will use the same strains with variations based on production technology.
## Northern Hemisphere labeling
Northern Hemisphere vaccines must label them as 'CEPAS 2026-2027 HEMISFÉRIO NORTE'.
## Health program usage
These vaccines can only be used in Brazil through the Ministry of Health's immunization programs.
## Effective immediately
The new regulation takes effect immediately upon publication.
## Key takeaway

Brazil's health agency updates flu vaccines to include 3 new strains for 2027 starting February 2027.