US president-elect Joe Biden has implored Americans to wear face masks, as he warned of a “dark winter” ahead with coronavirus infection rates rising in the country. Biden said on November 9, 2020, that a mask is not a political statement. He also referred to the positive news about successful tests of a Covid-19 vaccine, but warned that a series of procedures will still need to be gone through before Americans can have confidence that the jab is safe and effective. The president-elect has…