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  Indian J Med Microbiol
 

Figure 10: Target sign and halo sign (a). Graphic depiction showing target sign (b) high-resolution computed tomography image of the right lung in a 37-year-old woman with COVID-19 pneumonia shows an irregular ring-like opacity containing in its center a small nodular ground-glass opacity surrounding a very small vessel (curved arrow). (c) The combination of central nodular opacity and the peripheral ring of increased opacity resemble a shooting target. Also noted are small patchy ground-glass opacities in a different COVID-19, reverse-transcriptase polymerase chain reaction positive patient

Figure 10: Target sign and halo sign (a). Graphic depiction showing target sign (b) high-resolution computed tomography image of the right lung in a 37-year-old woman with COVID-19 pneumonia shows an irregular ring-like opacity containing in its center a small nodular ground-glass opacity surrounding a very small vessel (curved arrow). (c) The combination of central nodular opacity and the peripheral ring of increased opacity resemble a shooting target. Also noted are small patchy ground-glass opacities in a different COVID-19, reverse-transcriptase polymerase chain reaction positive patient