And they all have at least one thing in common: a mutation scientists call “N501Y” that makes the virus more likely to infect our cells. It gets worse. Indications are that at least two of the ...

In multivariate analysis, KRAS mutation correlated with shorter disease-free survival (DFS) and overall survival (OS) (hazard ratios, 1.55 and 1.56, respectively), while MSI and BRAF V600E were ...