With all the buzz about COVID-19 vaccines, it brought back memories of vaccines administered when I was in Vietnam in 1971-72. I was not a Medic but an intelligence officer stationed in a remote place named An Loc. Not far from the Cambodian border, 70 miles north of Saigon, straddling Route 13 (Thunder Road), I was one of 32 Americans in MACV advisor team 47, next to 2,000 ARVN (Army of the Republic of Viet Nam).