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PubMed COVID-19 Clinical Care

2591 - 2600 of 44979 results found

A CNN-SVR model for NO(2) profile prediction based on MAX-DOAS observations: The influence of Chinese New Year overlapping the 2020 COVID-19 lockdown on vertical distributions of tropospheric NO(2) in Nanjing, China

Date
Monday, February 26, 2024 - 4:00 AM
Description
In this study, a hybrid model, the convolutional neural network-support vector regression model, was adopted to achieve prediction of the NO(2) profile in Nanjing from January 2019 to March 2021. Given the sudden decline in NO(2) in February 2020

Impact of Chronic HIV Infection on Acute Immune Responses to SARS-CoV-2

Date
Monday, February 26, 2024 - 4:00 AM
Description
There is mounting evidence that HIV infection is a risk factor for severe presentations of COVID-19. We hypothesized that the persistent immune activation associated with chronic HIV infection contributes to worsened outcomes during acute COVID-19