Older age, those with a higher number of comorbid conditions, and those with a range of specific underlying conditions were, however, found to be at increased risk of severe COVID-19 outcomes and might particularly benefit from additional, preferentially novel, COVID-19 boosters, pre-exposure prophylaxis, and COVID-19 therapeutics.
原文最后的总结，这样的结论，能不能平衡掉副作用，都很难说了。
