The World Health Organization has warned governments against issuing “immunity passports” to allow people who show antibodies for coronavirus to return to work.
As leaders across the world turn their focus to reopening their economies after weeks of social restrictions designed to contain the pandemic, many have been hoping to deploy some form of certificate system allowing people deemed immune to travel and work.
But in a scientific brief published on Friday evening, the WHO cautioned against such plans, citing a lack of proof that anyone could be definitively labelled immune from the deadly virus.
您已阅读22%（607字），剩余78%（2102字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。