. "\"Any process that stops, prevents, or reduces the frequency, rate, or extent of a T-helper 1 type immune response.\" [GOC:add]" . . "negative regulation of T-helper 1 type immune response" . "down regulation of T-helper 1 type immune response" . "down-regulation of T-helper 1 type immune response" . "downregulation of T-helper 1 type immune response" . . . "inhibition of T-helper 1 type immune response" .