U.N. Secretary-General Antonio Guterres, right, walks with Crown Prince Haakon of Norway, left, at U.N. headquarters, Monday, Dec. 6, 2021. AP
"Yes, negative," his spokesman Stephane Dujarric said as the 72 year old UN chief went into a UN Security Council meeting without speaking to reporters.
Guterres has received a two-dose vaccination and a booster shot.
The Security Council meeting was due to focus on terrorism and climate change in the Sahel region of Africa.