Vaccines save lives. The measles vaccine alone is estimated to have avert 23 million deaths between 2000 and 2018. Data from a subset of countries where girls are vaccinated show that precancerous cervical lesions in girls aged 15-19 plummeted by 51% after vaccine rollout.
In 2022, there were still 14.3 million 'zero-dose' children globally, indicating gaps in routine immunization coverage. Vaccine hesitancy in high-income countries and accessibility issues in low- and middle-income countries are key challenges.
Researchers evaluating vaccine-uptake strategies globally are uncovering unexpected results aiding in policy improvement. The science of vaccine effectiveness can enhance public-health policies and ultimately save lives.
The United States saw high initial COVID-19 vaccine uptake but significantly lower rates of booster administration. Last-mile vaccination delivery challenges were identified, emphasizing the need for innovative strategies to boost uptake.
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