Abstract Dysregulated inflammation is central to the morbidity and mortality associated with COVID-19. Treatment dexamethasone IL-6 blockade can be life-saving in patients stratified for moderate - severe disease. Patients suppressed immunity are often excluded from immune therapy due assumption that additional suppression of an impaired system will detrimental viral clearance. We hypothesised ...

The possible configurations of a mechanical linkage correspond to the solutions system algebraic equations. We can estimate dimension solution set by counting free parameters and equational constraints. But this does not always give correct answer: sometimes moves although it should not. In paper, we mathematical explanations for unexpected mobility.