The White House physician says President Joe Biden's coronavirus symptoms "continue to improve significantly."

The doctor said in his report on Sunday that the president's "predominant symptom now is sore throat" but that his runny nose, cough and body aches "have diminished considerably."

The doctor said in his previous report on Saturday that the president is "most likely" infected with the BA.5 subvariant of the Omicron strain. The subvariant is considered to be more transmissible than other versions.

The doctor said his team will continue to closely monitor the president while administering him the Paxlovid treatment. The medication is meant to stop the coronavirus from replicating in the body.

White House COVID-19 Response Coordinator Ashish Jha told ABC News on Sunday that the president "had a great day yesterday, was feeling well."

Jha said that as of late Saturday, none of the 17 people who had come into close contact with the president, including White House employees, tested positive for the virus.

The White House announced on Thursday that the president had tested positive for the coronavirus earlier in the day and was "experiencing very mild symptoms."