Australian scientists raise doubts over vaccine efficacy as infections fall

Australian scientists raise doubts over vaccine efficacy as infections fall

Australian scientists have raised questions over the efficacy of the AstraZeneca Covid-19 vaccine in establishing herd immunity, calling for a pause on its widespread rollout ...

Oil falls on doubts over OPEC, pipeline restart

Oil falls on doubts over OPEC, pipeline restart

Oil prices fell on Tuesday on uncertainty over the outcome of a key OPEC meeting this week due to decide on production policy for the next year.