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Biomedical subjects

T Hallberg

Publications and source records attributed to T Hallberg.

7 recordsLinked to original sources

Unexplained acute fever after a hot bath.

An outbreak of repeated chills, fever, respiratory-tract symptoms, and muscle pain, starting 4 h after a hot bath, involved 56 persons, nearly all of whom lived in an area supplied with water from the same source. The symptoms lasted for 6--15 h. A polymorphonuclear leucocytosis was a feature of the illness. The causal agent, which has not yet been identified, was found to enter the body by inhalation. Bacteriological and chemical studies and investigation of the water for endotoxins and algae revealed nothing unusual.

Acute Disease

Evolution of three lymphocyte markers in newborn, preterm infants.

Nine newborn, preterm infants have been studied at the ages of 1-3 days, 8-10 days and 22-24 days for surface markers on peripheral blood lymphocytes. As compared to adult controls, four of the infants had a low proportion of sheep RBC binding lymphocytes at birth, but at 1-3 weeks of age all infants had reached the adult level. Lymphocyte receptors for Fc of IgG and for complement, although both mainly characterizing non-T cells, evolved differently post partum: the proportion of Fc-receptor-bearing lymphocytes tended to increase with age of the infant, whereas already at birth complement receptor-bearing lymphocytes were at or above the adult level.

Animals

Cutaneous alternariosis.

Two patients with cutaneous alternaria infection are presented. In both patients the skin lesions were characterized by multiple non-healing ulcers covered with dry crusts. Although the skin changes were macroscopically alike in the two patients, differences in the histology were seen. Both patients had primary debilitating diseases. A review of the literature is presented and revealed an additional ten cases of cutaneous alternariosis. Methods for the isolation of Alternaria and the susceptibility of the fungus to antimycotic drugs are presented.

Adolescent

Lymphocyte markers in newborn infants.

Purified peripheral blood lymphocytes from 20 newborn infants and 12 adults have been studied for the presence of surface markers. Adults and infants did not differ in the percentage of sheep RBC-binding cells (means 58-65%) or in Ig-bearing cells measured by the mixed antiglobulin reaction (means 7.2-11.6%). However, newborn infants had a significantly lower percentage of lymphocytes binding Fc of IgG (mean 10.4%) as compared to adults (mean 17.2%). No overall correlation between plasma Ig levels and Ig-bearing lymphocytes was found but a single infant with increased plasma IgA also showed the highest level of Ig-bearing lymphocytes among all infants.

Adult