Barack Obama has tested positive for a mild case of Covid-19, the former US president said on his Twitter account Sunday. "I've had a scratchy throat for a couple days, but am feeling fine otherwise," Obama tweeted, adding that his wife, former first lady Michelle Obama, has so far tested negative. He reiterated his support for the vaccine in his tweet. from US News Headlines, Latest USA News, US news live on Times of India https://ift.tt/9K5eFsY