Sentence examples for are frequently severe from inspiring English sources

However, there is increasing evidence of atypical cases of difficult classification, mainly DAT-negative, which are frequently severe and refractory/relapsing after several therapy lines and may have a fatal outcome [ 1– 3].

Parasitic infestations by polychaetes are frequently severe enough to cause wartlike growths on the surface of the host; such growths have been noted on the surfaces of fossil crinoids of the Paleozoic Era (more than 225,000,000 years ago), indicating that these parasites established themselves early.

are frequently severe and are therefore easily remembered.

Exposure to Mtb may occur very early in life and infections with Mtb are frequently severe in infants and young children whose immature immune system fails to limit bacterial spread [10].

These cases are frequently severe, and can be associated with maternal mortality [12].

Individual symptoms are frequently severe and can significantly impair patients' health-related quality of life (HRQoL) (6) and decrease work productivity (1).

Migraine pain is frequently severe in intensity and unilateral in 2/3 of patients [28].

Kidney stones are solid mineral crystals that form within the kidneys and can cause pain that is frequently severe.

In this age group, pertussis is frequently severe and hospitalization is often required [ 5].

The resulting neutropenia is frequently severe (< 0.2 × 10/l) and, together with functional alterations to circulating cells, leads to an equally severe infective diathesis, often with poor prognosis.

The consequences of this sympathetic surge can be sudden, severe, and are frequently life-threatening.