"Its consequences will be felt in the coming decades", Ghebreyesus said.
The global cumulative count of confirmed coronavirus cases is approaching nine million, with 133,326 cases recorded over the past day, the World Health Organisation (WHO) said in its daily situation report on Tuesday.
Officials of the agency during a virtual briefing from Geneva on Monday said this was the largest single-day increase of the virus since it was first detected in Wuhan, China.
Director-General Tedros Adhanom Ghebreyesussaid Monday that "the pandemic is still accelerating" and that "the lack of global solidarity and global leadership" represents a greater threat to the world than the virus itself.
Globally, coronavirus cases passed 8.5 million on Friday, with 4.2 million recoveries and 457,000 deaths.
"Some countries are continuing to see a rapid increase in cases and deaths".
He urged countries to be careful and creative in finding solutions that enable people to stay safe while getting on with their lives, and to double down on the fundamental public health measures that have been known to work, including finding and testing suspected cases, isolating and caring for the sick, tracing and quarantining contacts, and protecting health workers.
He said: "These measures can only be effective if each person follows recommendations for physical distancing, hand washing and mask-wearing".
New COVID-19 case confirmed in Greenup County
There was an increase of 156 reported cases of COVID-19 across the state bringing the Iowa's total number of cases to 26,047. According to the IDPH Marshall County no longer has any outbreaks in a long term care facility.
'At the same time, these measures can only be effective if each and every individual takes the measures that we also know work to protect themselves and others: Maintain physical distance; Continue cleaning your hands; And wear a mask where appropriate, ' World Health Organization director-general said.
World Health Organization has called for increased production of dexamethasone for COVID-19 patients, Telegraph reported.
He said that fortunately, dexamethasone is an affordable drug and many manufacturers worldwide can likely accelerate production.
"Demand has already surged following trials in the United Kingdom".
Tedros said Governments must be guided by solidarity in working together to ensure that supplies are prioritized for countries that have large numbers of critically ill patients, and that supplies of the drug remain available to treat other diseases for which it is needed.
"Many countries are now experiencing difficulties in obtaining oxygen concentrators".
Many countries in the region have experienced 25-50 per cent increases in cases in the last week, he said.