As President Biden and different leaders gathered on Saturday to debate plans to guard towards future pandemics, well being specialists and activists say that wealthy nations are nonetheless not doing sufficient to assist individuals in poor nations survive the present one.

White Home advisers mentioned the president would spend his time at this weekend’s Group of 20 summit centered on fixing provide chains, securing a blessing on a world tax deal, and pushing to discover debt aid and emergency financing for poor nations whose economies have been battered by the pandemic.

From the beginning of the summit, leaders tried to telegraph the significance of ending the pandemic: Throughout a gaggle picture, they have been joined on the dais by medical doctors in white coats and first responders from the Italian Pink Cross. Prime Minister Mario Draghi of Italy, in his remarks opening the assembly, additionally pointed to the stark disparity in entry to vaccines between richer and poorer nations.

Whereas rich nations are providing individuals third vaccine doses and more and more inoculating youngsters, poor nations have administered an estimated 4 doses per 100 individuals, based on the World Well being Group.

But though Mr. Biden has promised to make america an “arsenal of vaccines” for the world, White Home officers tried to handle expectations heading into the summit that there could be any massive bulletins on vaccine sharing.

Jake Sullivan, the president’s nationwide safety adviser, advised reporters on Air Drive One en path to Rome that “the primary thrust of the hassle on Covid-19 isn’t really touring by means of the G20.” He mentioned {that a} virtual summit that Mr. Biden convened in September had set “extra bold targets” for nations to pledge shared doses of the vaccine.

Though Secretary of State Antony Blinken is scheduled to host a gathering of dozens of nations and nongovernmental organizations later this yr to safe commitments on vaccine sharing, Mr. Sullivan mentioned the main target for the G20 was on the long run.

Mr. Biden mentioned in June that america would purchase 500 million Pfizer-BioNTech coronavirus vaccine doses for poorer nations. He adopted up in September by asserting an extra 500 million Pfizer doses, together with the promise of an extra $750 million for vaccine distribution, roughly half of it by means of a nonprofit concerned in world vaccinations.

Only about 300 million of these doses are anticipated to be shipped this yr, a quantity that specialists say falls in need of the quantity wanted for significant safety towards the virus.

“You actually have a failure of developed nations’ management post-Covid,” mentioned Célia Belin, a visiting international coverage fellow within the Heart on america and Europe on the Brookings Establishment. “That is going to have penalties.”

Since arriving in Rome, Mr. Biden has already heard a private attraction to do extra: Throughout a gathering on the Vatican on Friday, Pope Francis pushed the president on the difficulty, a senior official mentioned after the assembly.

And in an open letter to the G20, the top of the World Well being Group, Dr. Tedros Adhanom Ghebreyesus, urged the leaders of the world’s largest economies to “to assist stem the pandemic by increasing entry to vaccines and different instruments for the individuals and locations the place these are in shortest provide.”