San Francisco Chronicle

Study finds vac­cines to be very ef­fec­tive

- Health · Medical Activism · Medicine · Science · Vaccines · Medical Treatments · Scotland · Pfizer · University of Edinburgh · Edinburgh · University of Strathclyde

Scot­land’s COVID-­19 vac­ci­na­tion pro­gram has led to a sharp drop in hos­pi­tal­iza­tions, re­searchers said Mon­day, boost­ing hopes that the shots will work as well in the real world as they have in care­fully con­trolled stud­ies.

The Ox­ford­As­traZeneca vac­cine re­duced hospi­tal ad­mis­sions by up to 94% four weeks af­ter peo­ple re­ceived their first dose, while the Pfizer­-BioNTech vac­cine cut ad­mis­sions by up to 85%, ac­cord­ing to sci­en­tists at the Univer­sity of Ed­in­burgh, the Univer­sity of Strath­clyde and Pub­lic Health Scot­land.

The preliminar­y find­ings were based on a com­par­i­son of peo­ple who had re­ceived one dose of vac­cine and those who hadn’t been in­oc­u­lated. The data was gath­ered be­tween Dec. 8 and Feb. 15.

“Th­ese re­sults are very en­cour­ag­ing and have given us great rea­sons to be optimistic for the fu­ture,” said Pro­fes­sor Aziz Sheikh, di­rec­tor of the Univer­sity of Ed­in­burgh’s Usher In­sti­tute. “We now have na­tional ev­i­dence — across an en­tire coun­try — that vac­ci­na­tion pro­vides pro­tec­tion against COVID-­19 hos­pi­tal­iza­tions.”

Out­side ex­perts said while the find­ings are en­cour­ag­ing, they should be in­ter­preted with cau­tion be­cause of the na­ture of this kind of ob­ser­va­tional study. In par­tic­u­lar, rel­a­tively few peo­ple were hos­pi­tal­ized af­ter re­ceiv­ing the vac­cines dur­ing the study pe­riod.

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