與前一週相比，COVID-19死亡人數下降1.1%，新增病例每天減少0.8%。Margareth Portela, responsible for collecting the survey data, told O Globo that, despite the improvement, the scenario is still worrying.“We are going from very bad to bad. As we are not in a comfortable situation, if there is an increase in cases, country, warnS scenario may change now with the arrival of winter.
里約熱內盧聯邦大學（UFRJ）病毒學家柯斯塔（Luciana Costa）評估指出，無法預測哪種變種病毒株會在巴西流行，因為存在許多變數，包括人群的易感性和病毒特徵。