COVID-19 variants are racing through the developing world far faster than vaccinations. More shots are desperately needed to slow the spread of the disease ¡ª but even they won¡¯t be enough.

The so-called delta variant in particular is tipping the pandemic into a frightening new stage. The highly transmissible strain, now infecting more than 100 countries, has upended poorer nations.

Hospitals are overflowing in Indonesia, as patients¡¯ relatives hunt desperately for oxygen cylinders. Deaths have been rising for more than a month in Africa, spiking 43% in just one week. Countries from Bangladesh to Zambia have recorded sky-high positivity rates.