https://atlantak.com/1%ed%9a%8c-%ec%a0%91%ec%a2%85-%ec%a1%b4%ec%8a%a8%ec%95%a4%eb%93%9c%ec%a1%b4%ec%8a%a8-%eb%b0%b1%ec%8b%a0-%ec%98%88%eb%b0%a9%ed%9a%a8%ea%b3%bc-66/
'1회 접종' 존슨앤드존슨 백신 예방효과 66%