PT - JOURNAL ARTICLE AU - Rujittika Mungmunpuntipantip AU - Viroj Wiwanitkit TI - Correspondence on ‘COVID-19 vaccine efficacy in a rapidly changing landscape’ AID - 10.1136/jim-2022-002587 DP - 2022 Aug 01 TA - Journal of Investigative Medicine PG - 1442--1442 VI - 70 IP - 6 4099 - http://jim.bmj.com/content/70/6/1442.short 4100 - http://jim.bmj.com/content/70/6/1442.full SO - J Investig Med2022 Aug 01; 70