所以，在我们身体还健康时，就需要打预防针，以防得到哪些病毒。

所以，在我们身体还健康时，就需要打预防针，以防得到哪些病毒。

Results (English) 1:

So, when our body still healthy, we need to be vaccinated, which prevent the virus get.

Results (English) 2:

So, when we're healthy, we need to take preventive injections to prevent any viruses.

Results (English) 3:

Therefore, when we are still healthy, we need to be vaccinated to prevent the virus.