Health Care

Moderna says its vaccine is 94.5% effective in preventing COVID-19

Together with Pfizer Inc's vaccine, also shown to be more than 90% effective, and pending more safety data and regulatory review, the United States could have two vaccines authorized for emergency use in December with as many as 60 million doses of vaccine available by the year's end.

North Dakota allows infected nurses to keep working

The North Dakota Nurses Association says it doesn’t support a move to allow health care workers who have tested positive for the coronavirus but don’t have symptoms to remain on the job.