How to get URL link on X (Twitter) App
https://twitter.com/alexwickham/status/1465953820299579399A significant evasion concern vs 2 dose symptom VE. An emergency situation that wasn't known until 7 days ago.
https://twitter.com/Tuliodna/status/1463911577544011780
https://twitter.com/DevanSinha/status/1396060081511444495
https://twitter.com/jburnmurdoch/status/1396015155872509953In randomised control trials we can be confident in vax effect after only 100+ infections because selection bias and confounding variables between the vaxxed and unvaxxed comparison populations are (e)limited by the randomisation process.
https://twitter.com/DevanSinha/status/1375468203070132226
https://twitter.com/kallmemeg/status/1376851854018088963
https://twitter.com/DevanSinha/status/1363801776751697922Scotland where data from care home residents and 85+ were vaxxed 1st. Follow up time after 5 weeks means age will confound VE. With few absolute events adjustment for age becomes statistically underpowered (and doesn't capture full care home risk). Hence wide confidence interval
https://twitter.com/theosanderson/status/1344347389642088451