For some childhood diseases, the development of a vaccine was by itself decisive. But this may not be true of COVID-19, because adoption will be slow, effectiveness will wane over time, or both, implying that the need for testing will be ongoing.
WASHINGTON, DC – There is a growing consensus that one or more COVID-19 vaccines will become available at some point in early 2021. Within a year, many people in the United States, and some other countries, will be vaccinated. For some childhood diseases, the development of a vaccine was by itself decisive. But this may not be true of COVID-19, because adoption could be slow or effectiveness wane over time – or both.
WASHINGTON, DC – There is a growing consensus that one or more COVID-19 vaccines will become available at some point in early 2021. Within a year, many people in the United States, and some other countries, will be vaccinated. For some childhood diseases, the development of a vaccine was by itself decisive. But this may not be true of COVID-19, because adoption could be slow or effectiveness wane over time – or both.