IKBKG and COVID-19: SARS-CoV-2’s main protease M(pro) (also termed 3CLpro) cleaves NEMO at Q231 to separate the IKK binding domain and the ubiquitin-binding domain and disables NEMO’s function, leading to string vessels in the brain, which is considered as the major cause for COVID-19 patients’ neurological symptoms [188,189].