This should be crystal clear to a man of your wisdom.

如迁延不决，或委之异日，不仅徒生困扰，吾弟亦将难辞。

Symptoms related to bouts can typically worsen over weeks and can linger for months without treatment.

与疾病相关的症状一几周后会恶化，也可在未迁延数月。

If enough people don't adhere, then the virus can continue to spread, and the pandemic drags out, ultimately resulting in more deaths.

如果有足够多的人不愿意坚持实行，那么病毒就会继续传播，大流行就会迁延，最终导致更多的死亡。