On 28 January 2020, the Ministry of Health (Ministério da Saúde) raised the emergency alert to level 2 of 3, considering an "imminent threat" for Brazil, as a suspected case was being investigated in Belo Horizonte, Minas Gerais.[4] The following day, the Ministry announced it was investigating two other suspected cases, in Porto Alegre and Curitiba. No further information was given about the patients in Porto Alegre and Curitiba. However, it was informed that the Belo Horizonte patient was a student that had recently visited Wuhan, China, point of origin of the outbreak.[5]