The arrival in the Janssen vaccine, donated via the US Authorities by dose-sharing by way of the COVAX Facility, was witnessed as a means to accelerate the vaccination of senior citizens. Just before joining WHO in 2018, Dr Asma held leadership positions within the U.S, Facilities for Disease Command and https://senior-health42963.articlesblogger.com/56843787/top-guidelines-of-senior-health