This is really important. If community infections are high (eg. #omicron) then incidental infections in hospitalised people with non-covid illness will also be high. Using hospitalization as a marker of severe #covid in highly immune populations is becoming less & less useful👇 https://t.co/VZNqYfnMuj
— Shamez Ladhani (@ShamezLadhani) March 25, 2022