Brazil to launch anti-Zika app for Olympics
Rousseff had been due to visit the United States on Thursday and Friday. Her government is in crisis after the main coalition partner went into opposition.
Agencia Brasil confirmed media reports that the trip has been scrapped.
Brazil's restive rich draft a duck to protest president
A government source told AFP that given Rousseff's troubles in the capital Brasilia, "she shouldn't go."
Zika virus tied to birth defects is international emergency, WHO says
Earlier Tuesday, the PMDB party quit the governing coalition, leaving Rousseff ever shorter of allies in Congress as she tries to fight off an impeachment process.
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