Salmonella surveillance report ; no. 97

For the Month of April 1970In April 1970, 1730 isolations of salmonelLae were reported from humans, an average of 346 isolations per week (Tables I, II, and V-A). This number represents an increase of 12 (3.6 percent) over the weekly average of March 1970 and an increase of 25 (7.8 percent) over the weekly average of April 1969.Reports of 960 nonhuman isolations of salmonellae were received during April 1970 (Tables II, IV, and V-B).I. Summary -- II. Reports of Isolations -- III. Current Investigations -- IV. Reports from States -- V. Special Reports -- VI. International.197