Volume 29, Number 4—April 2023
Dispatch
Experimental Infection and Transmission of SARS-CoV-2 Delta and Omicron Variants among Beagle Dogs
Figure 1

Figure 1. Viral RNA loads of SARS-CoV-2 determined by real-time PCR in animals in study of experimental infection and transmission of SARS-CoV-2 Delta and Omicron variants among beagle dogs. A) Viral loads in nasal swab samples from infected dogs. B) Viral loads in nasal swab samples from naive (transmission) dogs exposed to dogs infected with Delta or Omicron variants. NC, normal control; DI, delta variant infection; OI, omicron variant infection; DT, delta variant transmission; OT, omicron variant transmission.