I'm sorry to hear your search engine got a flat tyre. Belligerently sniping about exactly what it is you want us —your research assistants, seemingly— to hand d

I'm sorry to hear your search engine got a flat tyre. Belligerently sniping about exactly what it is you want us —your research assistants, seemingly— to hand deliver you, doesn't seem like the best way to retain karma here, let alone have a discussion about something... But anyway, some more material for you. https://www.medrxiv.org/content/10.1101/2020.10.19.20214494v2.full-text https://www.medrxiv.org/content/10.1101/2020.10.19.20214494v... https://www.bmj.com/content/370/bmj.m3026 https://www.bmj.com/content/370/bmj.m3026 It's going to be many years until we have a proper handle on this. Until then you might have to be willing to accept a flood of more anecdotal field data as having some analytical value.