Old, I remember this lunatic: >In a tweet, Dr Trisha Greenhalgh, a primary healthcare expert at the University of Oxford, also wrote: >'My various science WhatsApp groups are buzzing. Genetic lineage clips and diagrams flying back and forth. **I understand little of the detail but it looks like it's once again time to MASK UP'** What a clown, I know nothing but the sky is falling. And RealScience is always conducted on WhatsApp.