negative regulation of complement activation
down regulation of complement activation
exact
down-regulation of complement activation
exact
downregulation of complement activation
exact
inhibition of complement activation
narrow
negative regulation of complement cascade
exact
Any process that stops, prevents, or reduces the frequency, rate or extent of complement activation.
GO:0002698
negative regulation of immune effector process
is_a
GO:0002921
negative regulation of humoral immune response
is_a
GO:0030449
regulation of complement activation
is_a
GO:0006956
complement activation
negatively_regulates