Dear Sir/ Mam, One of the students in our institution need this article. Could any one have this article kindly help us by sending full text a copy of the same. to *naveen.ks100@gmail.com * . Approaches for Optimal Use of Different COVID-19 VaccinesIssues of Viral Variants and Vaccine Efficacy John P. Moore, PhD1 https://jamanetwork.com/searchresults?author=John+P.+Moore&q=John+P.+Moore Author Affiliations JAMA. 2021;325(13):1251-1252. doi:10.1001/jama.2021.3465 -- *Thanks Naveen K .S* -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.