Geneva, May 23 -- World Health Organization (WHO) chief on Monday described monkeypox, Covid-19 pandemic and invasion of Ukraine as "formidable" challenges to people around the world.

The Independent quoted Tedros Adhanom Ghebreyesus as saying at the UN's World Health Assembly in Geneva that the Covid pandemic is not the only crisis in the world and warned of a "formidable convergence" of disease and other natural calamities fuelled by climate change and geopolitics.

On Sunday, WHO had said that 92 confirmed monkeypox cases and 28 suspected cases have been reported in 12 countries.

The WHO said, "As of 21 May, 13:00, 92 laboratory confirmed cases, and 28 suspected cases of monkeypox with investigations ongoing, have been reported to WHO ...