CDC January 5, 2022 2:30 pm Fauci: ‘We Should Not Be Complacent' with Omicron Dr. Anthony Fauci says we need to remain vigilant as COVID-19 continues to spread with the omicron variant. Fauci also laid out a rough timeline for vaccination for young children. US & World Videos 1:23 CDC recommends updated Covid shot for everyone ages 6 months and up