In the age of global free market capitalism it will take a global effort. Given our response I don't think people prioritize the needs of underdeveloped nations hence the rise of the delta and omricon variants. Also, would be nice if the same cost benefit analysis was applied to the impact of climate change. Seems like governments in the global North are apt to ignore that whatever happens abroad has direct consequences here, since much of our raw materials and agriculture are imported from the global south.