Brazilian Health minister Marcelo Queiroga looks on the speech of President of Brazil Jair Bolsonaro during an event to launch a new register for professional workers of the fish industry at Planalto Government Palace on June 29, 2021 in Brasilia, Brazil ... Brazil's Health minister Marcelo Queiroga tweeted on Tuesday that he tested positive for COVID-19, just One day after meeting maskless UK Prime Minister Boris Johnson and other British officials ... During Monday's meeting at the consulate general's House, which took place alongside the 76th United Nations General Assembly in New York, Queiroga was filmed by Brazilian journalist Raquel Krähenbühl as he shook hands with Johnson, WHO then met with President Joe Biden on Tuesday.