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Last week, President Joe Biden announced that the United States will be purchasing 500 million doses of the Pfizer vaccine and donating them to lower-income countries, and that's both compassionate and smart.
If we can help the rest of the world get a handle on COVID-19, there's less of a chance that a new, even more dangerous variant of the virus will reach our shores.
If you want an indication how some parts of the world are lagging behind the United States and Europe in getting their populations vaccinated, consider the plight of Africa.
The Associated Press reported recently that less than 1% of South Africa's population had been fully vaccinated, and many health care workers were still awaiting shots. In Nigeria, Africa's most populous nation, less than one-tenth of 1% of had been fully vaccinated.
As many experts have pointed out, we won't fully get COVID-19 under control until it's under control all over the world.