Imo, the poorest people are at the most disadvantageous position, and we can find such people in every country.

Regarding the economic impact of the pandemic on various countries' economies, every country will be (and already is) affected big-time. And if one country will suffer much more than others, the international community will help that country to cope with its problems.

The world, with the exception of a few countries, maybe, is no longer a place where some countries are gloating over the calamities in other countries. So, with the current level of reciprocity, on the governmental level, all economics will be affected equally, more or less.