Former NJ Gov. Christie Released From Hospital After COVID-19 Care

Chris Christie was hospitalized as a precaution due to his asthma after testing positive for COVID-19. He received the same treatment as President Trump. The virus spread among officials after a Rose Garden event. Christie was part of Trump's debate prep team, where masks were not worn. Trump announced he and Melania tested positive on October 2nd.

What precautionary measure did Christy take before being hospitalized?

What did Christy mention about mask usage during the debate preparation?