This is good news regardless, but I wish these articles had more detail. Some number of "% effective against COVID-19" is not meaningful on its own. Effective at doing what, exactly? Preventing symptoms? Preventing transmission? Preventing death?
Comparisons between different vaccines aren't at all meaningful without this context, and I hope the authors realize this, despite not mentioning it.
Comparisons between different vaccines aren't at all meaningful without this context, and I hope the authors realize this, despite not mentioning it.