Fig. 4

Change in cytokine concentration levels over time and cytokine association in COVID-19-positive individuals. A The cytokine concentration levels were analysed from plasma of COVID-19 symptomatic (n = 29), asymptomatic (n = 29) and non-survivors (n = 2) patients at different timepoints for 4 weeks. The median quantity of the cytokines for each sampling day is shown by the line graph and the 25th and 75th percentiles are cytokine levels. Statistical significance between days was determined by Kruskal-Wallis (*p <0.05, **p < 0.01, ****p < 0.0001). B The association of the cytokines and antibodies to asymptomatic phenotype were estimated using odds ratios with 95% confidence intervals were computed and presented