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Letter: For the record – 18 May 2019

Published 15 May 2019

• Strictly speaking, the Centers for Disease Control and Prevention declared measles to be eliminated in the US (20 April, p 22).

• It is with fungi and other organisms that do nitrogen fixation (27 April, p 8).

 

Issue no. 3230 published 18 May 2019

Â鶹´«Ã½ issue 3230 cover

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