This week, the world heard encouraging news about a vaccine for COVID-19.
On Monday, the pharmaceutical company Pfizer, and its partner BioNTech, said their experimental vaccine appears to work – and work quite well. A preliminary analysis suggests the vaccine is more than 90 percent effective at preventing COVID-19 symptoms.
Health officials hope to start vaccinating some Americans in a few months.
"The vaccine is on its way, folks," Dr. Anthony Fauci told a crowd Tuesday, via video link, outside Brooklyn Borough Hall.
But what about the rest of world, especially people in poorer counties. Is the vaccine "on its way for them?"
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