To the Editor.
—On reading The Journal of April 24, 1954, I came across the article by Capt. C. P. Archambeault on mass antimalarial therapy in veterans returning from Korea. Capt. Archambeault states at the end of his article that 100,000 to 200,000 Puerto Ricans arrive in New York City each year and that many of these persons harbor malaria parasites. This statement is erroneous, as malaria was practically eradicated from Puerto Rico about five years ago. Since then there has been almost no mortality from this disease in the island.I am pleased to quote a table appearing in the "Annual Report of the Commissioner of Health of Puerto Rico for the Fiscal Year 1950-51" (page 118), which reads as follows: In the latest report of the Commissioner of Health of Puerto Rico for the fiscal year 1951-1952, a chart shows in a graphic way the sharp decline of