PT - JOURNAL ARTICLE AU - Lan Yao AU - J Carolyn Graff AU - Weikuan Gu AU - Dianjun Sun TI - Influenza vaccination may have only minimum or no effect on COVID-19 in the aged population AID - 10.1136/bmjgh-2022-010332 DP - 2022 Nov 01 TA - BMJ Global Health PG - e010332 VI - 7 IP - 11 4099 - http://gh.bmj.com/content/7/11/e010332.short 4100 - http://gh.bmj.com/content/7/11/e010332.full SO - BMJ Global Health2022 Nov 01; 7