COVID-19 Disease Severity in Persons Infected With Omicron BA.1 and BA.2 Sublineages and Association With Vaccination Status

JAMA Intern Med. 2022 Oct 1;182(10):1097-1099. doi: 10.1001/jamainternmed.2022.3351.

Adeel A Butt^{1

2

3}, Soha R Dargham^{3

4

5}, Peter Coyle¹, Hadi M Yassine^{1

6}, Abdullatif Al-Khal¹, Abdul-Badi Abou-Samra¹, Laith J Abu-Raddad^{3

4

5}

¹ Hamad Medical Corporation, Doha, Qatar.
² Department of Medicine, Weill Cornell Medicine, New York, New York.
³ Department of Population Health Sciences, Weill Cornell Medicine, New York, New York.
⁴ Infectious Disease Epidemiology Group, Weill Cornell Medicine-Qatar, Doha, Qatar.
⁵ World Health Organization Collaborating Center for Disease Epidemiology Analytics on HIV/AIDS, Sexually Transmitted Infections, and Viral Hepatitis, Weill Cornell Medicine-Qatar, Doha, Qatar.
⁶ Biomedical Research Center, Qatar University, Doha, Qatar.

No abstract available

Plain language summary

This retrospective study compares the severity of SARS-CoV-2 infection among persons infected with BA.1 and BA.2 sublineages by vaccination status.