For Covid-19, adoption of a vaccine will be slow, effectiveness will wane over time, or both, implying that the need for testing will be ongoing.
In addition to progress towards a vaccine, virus testing at scale has to be made much cheaper, so that it becomes available to everyone, whatever their income level.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...