FDA Vaccine Approval History: A typical vaccine development takes 5 to 10 years and sometimes longer, to access whether the vaccine is safe and effective in clinical trials, complete the regulatory approval processes, and manufacture sufficient quantities of vaccines doses for distribution. Source: https://Coronovirus.jhu.Edu/vaccine time lines. Commentary: So when many Americans were reluctant to take the vaccine because it was an experimental drug magically Uncle Joe got it rapid fire approved so he says go ahead and get the shot? What kind of a fool does Uncle Joe think I am? James & Hamsa Sasse. GodWhoisGod.com