Adaptive similarities Algorithms Article COVID-19 Clustering algorithms Comparative analysis Computational model Computer Simulation Crack propagation Forecasting Fuzzy Logic Fuzzy clustering Fuzzy filters Humans Intelligent machine Interval type-2 fuzzy Machine Learning Machine learning Machine learning models Real-time forecasting SARS-CoV-2 Spectral decomposition Tracking and forecasting algorithm computer model computer simulation coronavirus disease 2019 covid-19 epidemic epidemiological data