(Washington, DC)--Woonsocket-based CVS announced expanded coronavirus testing on Monday.CVS will offer self-swab tests at up to one-thousand locations by the end of May and is aiming for a million tests monthly.CVS is running a rapid COVID-19 testing site in Rhode Island and in several other states.CVS Health CEO Larry Merlow was among a number of retail business executives to speak at the White House yesterday about progress on testing.