00808nas a2200325   4500000000100000000000100001008004100002100001400043700001300057700001700070700001200087700001300099700001700112700001700129700001500146700001500161700001400176700001200190700001300202700001500215700001400230700001300244700001400257700001400271700001600285245015200301300000800453490000700461022001400468       2021                            d1 aJ. Walker1 aD. Grint1 aH. Strongman1 aR. Eggo1 aM. Peppa1 aC. Minassian1 aK. Mansfield1 aC. Rentsch1 aI. Douglas1 aR. Mathur1 aA. Wong1 aJ. Quint1 aN. Andrews1 aJ. Bernal1 aJ. Scott1 aM. Ramsay1 aL. Smeeth1 aH. McDonald00aUK prevalence of underlying conditions which increase the risk of severe COVID-19 disease: a point prevalence study using electronic health records  a4840 v21  a1471-2458