Some hoped a new oral vaccine would solve all the polio campaign’s problems. Reality is settling in
STAT
MAY 26, 2023
When a new and hoped-to-be safer oral polio vaccine started to make its way into use in March 2021, there was huge optimism that this long-needed tool would help the polio eradication campaign quell a growing problem that was — and is still — complicating efforts to stamp out polio forever. Two years later, expectations surrounding the new vaccine, known as novel oral polio vaccine type 2, or nOPV2 for short, are moderating a bit.
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