The White House briefing coverage proves that President Trump directed his administration to halt funding to the WHO as a review takes place.
The BBC in its article has stated that the U.S. is the WHO's largest single funder which gave it more than $400-500 million in 2019. It added that the U.S. would resume funding after the review lasting 60-90 days.
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.