The emergency committee asked the World Health Organization to provide all countries with pragmatic guidance on how to respond to the pandemic, "to reduce the risk that responses to the epidemic may fail".
The committee also advised countries to strengthen public health surveillance for case identification and contact tracing, including in low-resource, vulnerable, or high-risk settings and to maintain essential health services with sufficient funding, supplies, and human resources.
As of Saturday, more than 17.6 million people around the world have been diagnosed with the novel coronavirus.
"That's why behavioural science is so important - it helps us to understand how people make decisions, so we can support them to make the best decisions for their health".
It called for improved understanding of the epidemiology and severity of COVID-19, including its long-term health effects.
The ongoing COVID-19 pandemic still constitutes a public health emergency of global concern (PHEIC), and long-term response efforts are needed given an anticipated lengthy duration of the pandemic, the World Health Organization (WHO) said on Saturday.
And the committee wanted more light shed on the dynamics of the virus, such as "modes of transmission, shedding, potential mutations; immunity and correlates of protection".
Director General Tedros Adhanom Ghebreyesus told a news briefing in Geneva that one of the challenges faced by the global body in trying to rein in the pandemic is to convince younger people that they are at risk too. It is scheduled to meet again in three months.
"It can be sobering to think that 6 months in the past, when you proposed I declare a public health and fitness unexpected emergency of worldwide worry (PHEIC), there had been considerably less than 100 instances and no fatalities exterior China".
A bride (R) and a groom wearing facemasks exchange flower garlands as part of a traditional ritual of their social marriage funtion, during a lockdown imposed by the state government against the surge in COVID-19 coronavirus cases, in Kolkata on July 29, 2020.
The US accused the organisation of being "close" to China and withdrew its funding from the organisation in July.
"Many scientific questions have been resolved, many are still waiting to be", he added.
"Early benefits from serology studies are portray a consistent photo: most of the world's men and women stay inclined to this virus, even in spots that have experienced serious outbreaks".