http://english.chosun.com/m/svc/article.html?contid=2021040101185&Dep0=duckduckgo.com&utm_source=duckduckgo.com&utm_medium=unknown&utm_campaign=english

…The KVS conducted an online survey from March 15 to 28 among 532 medical workers who recently received their injections. Some 501 were given AstraZeneca and 31 Pfizer, and 82.7 percent complained of local reactions and 75 percent of systemic reactions…