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Role of testing. >> reporter: as well as dr. anthony fauci. >> it's something that absolutely should be considered and i believe the cdc is going to clarify that. >> reporter: they did saying people can test if they want to, but if they test positive they should isolate for five more days. the head of the american medical association says all of this is not only confusing but risking further spread of the virus. dr. tom freeman was cdc director under the obama administration. >> and yes, there are some judgment calls so be frank about them. >> reporter: now, cnn has learned dr. walensky is in ...