Gaipov, AbduzhapparGusmanov, ArnurAbbay, AnaraSakko, YesbolatIssanov, AlpamysKadyrzhanuly, KainarYermakhanova, ZhanarAliyeva, LazzatKashkynbayev, ArdakMoldaliyev, IklasCrape, ByronSarria-Santamera, Antonio2022-11-142022-11-142021-05Gaipov, A., Gusmanov, A., Abbay, A., Sakko, Y., Issanov, A., Kadyrzhanuly, K., Yermakhanova, Z., Aliyeva, L., Kashkynbayev, A., Moldaliyev, I., Crape, B., & Sarria-Santamera, A. (2021). SARS-CoV-2 PCR-positive and PCR-negative cases of pneumonia admitted to the hospital during the peak of COVID-19 pandemic: analysis of in-hospital and post-hospital mortality. BMC Infectious Diseases, 21(1). https://doi.org/10.1186/s12879-021-06154-zhttp://nur.nu.edu.kz/handle/123456789/6758During the spike of COVID-19 pandemic in Kazakhstan (June-2020), multiple SARS-CoV-2 PCR-test negative pneumonia cases with higher mortality were reported by media. We aimed to study the epidemiologic characteristics of hospitalized PCR-test positive and negative patients with analysis of in-hospital and post-hospital mortality. We also compare the respiratory disease characteristics between 2019 and 2020.enAttribution-NonCommercial-ShareAlike 3.0 United StatesSARS-CoV-2PCRpneumoniaCOVID-19 pandemicin-hospital mortalitypost-hospital mortalityArticle