He said the U.S. had already committed $112 million in bilateral assistance to the regional response.
The measures aim to protect their citizens as well as millions of tourists and athletes expected to visit North America during the tournament.
Health experts have advised that all candidate treatments and vaccines for Ebola disease caused by the Bundibugyo virus should be used exclusively within clinical trials.
The 90-day measure would take effect on Wednesday (today), the government said in a statement on Tuesday by immigration minister Lena Metlege Diab.
The International Civil Aviation Organisation has urged governments and airlines to closely follow guidelines put in place after the COVID-19 pandemic.
Mr Lokudu said 18 people with suspected Ebola cases left the facility and are unaccounted for.
The WHO said nearly 750 suspected cases and 177 suspected deaths suggested the outbreak was larger.
WHO director-general Tedros Ghebreyesus gave the update to journalists on the sidelines of the 79th World Health Assembly on Wednesday.
The WHO Director-General Tedros Adhanom Ghebreyesus said the authorities of Uganda and the DRC were consulted before the declaration.
UN officials have warned that despite diplomatic gains, violence in eastern Democratic Republic of the Congo continues unabated, stressing women’s leadership in peace efforts.
