Basic [[research]], also called pure research or fundamental research, is a type of scientific research with the aim of improving scientific theories for better understanding and prediction of natural or other phenomena. ---- The last decades of [[basic research]] in [[virology]], [[oncology]], and [[immunology]] can be considered a success story. Based on discoveries in these research areas, [[translational research]] and clinical studies have changed the way of treatment of cancer by introducing and including [[immunotherapy]] ((Schirrmacher V, van Gool S, Stuecker W. Counteracting [[Immunosuppression]] in the [[Tumor Microenvironment]] by [[Oncolytic Newcastle Disease Virus]] and Cellular [[Immunotherapy]]. Int J Mol Sci. 2022 Oct 27;23(21):13050. doi: 10.3390/ijms232113050. PMID: 36361831.)).