最重要的一點

The single most important action people can take to confer needed protection from serious illness and death from COVID-19 is to become fully vaccinated and boosted when it is appropriate.

所有跟帖： 

• 上策遠離，中策阻擋（口罩），下策對抗（疫苗）。沒常識真可怕，：） -周老大- ♂ (0 bytes) () 01/23/2022 postreply 20:37:42