Actually he's being very wise, protecting his well paid job. As I and others have remarked, these experts are first and foremost political animals, it's why they have their jobs. And part of their job is to make the facts fit the politics.Truly while the Expert Medical man undoubtedly has intelligence
Wisdom is something he is unlikely to suffer from, and really needs to engage the brain before making rash remarks that can be used as anti vaccination propaganda.
Hence "not as serious as given", justifying the government's easing of restrictions and pleasing his masters.
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