Respiratory Virus Infections in Hospital and in General Practice, 1954-6

In continuation of previous laboratory studies of respira tory illness, tests for a wider range of virus infections were made in a series of patients admitted to hospital and also in cases of milder illness seen in general prac tice during the winter seasons of 1954-5 and 1955-6. This paper presents evidence of infections with influenza viruses of types A, B, and C, an agent related to the Sendai strain of newborn pneumonitis virus (" influenza D," Jensen et al., 1955), and the adenovirus group (Rowe et al., 1953). Methods