There’s just one curious problem: flu, it seems, has all but vanished. The disappearing act began as Covid-19 rolled in towards the end of our flu season in March. And just how swiftly rates have plummeted can be observed in ‘surveillance’ data collected by the World Health Organisation (WHO).  https://www.dailymail.co.uk/health/article-8875201/Has-Covid-killed-flu.html