@paul_frucht @danaparish @DrLeanaWen Severe ACUTE illness. Long covid may turn out to be severe ultimately, and there is little to no data on how well vaccines protect against that.
@paul_frucht@danaparish@DrLeanaWen严重急性疾病。长期新冠病毒最终可能会变得很严重，关于疫苗对这种病毒的防护效果，目前几乎没有数据。