PARIS (Reuters) - France needs to step up its vigilance regarding the COVID-19 situation in the country, given the emergence of a new strain of the virus in the United Kingdom, President Emmanuel Macron said on Monday. BFM TV broadcast live images of Macron chairing a government ministerial meeting via an audiovisual conference. Macron is working remotely and self-isolating as he recovers after testing positive for COVID-19 last week. 3