Obama was scheduled to speak Monday from the Rose Garden, his first health care-focused event since the cascade of computer problems became apparent. The troublesome rollout of the health care exchanges has been a glaring embarrassment for Obama's signature legislative achievement.
White House officials say the president will discuss steps the administration is taking to address the glitches, including ramping up staffing at call centres where people can apply for insurance by phone. The Department of Health and Human Services says it is also bringing in technology experts from inside and outside of government to help diagnose the issues.
Obama will be flanked at the Rose Garden event by people the White House says have already enrolled during the first three weeks of sign-ups. Enrollment figures are being closely guarded by the administration, which plans to release the first round of data in mid-November.
Officials did say over the weekend that nearly a half million applications have been filed through the federal- and state-run exchanges. Users must file applications before they can enrol, in part to find out whether they are eligible for government subsidies.
The White House also says about 19 million people have visited HealthCare.gov since Oct. 1.
Administration officials initially blamed a high volume of interest for the frozen screens that many people encountered. Since then, they have also acknowledged problems with software and some elements of the system's design.
Despite the widespread problems, the White House has yet to fully explain what went wrong with the online system consumers were supposed to use to sign up for coverage.
In an ironic twist, the troubles with the health care rollout were overshadowed by Republican efforts to delay or defund "Obamacare" in exchange for reopening the government during the 16-day shutdown. The bill that eventually reopened the government included no substantive changes to the health care law.
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