The recent pandemic caused by a novel coronavirus known as SARS-CoV-2 has caught the international community by surprise. There is still no effective vaccine or treatment option against this virus. In this perspective, we discussed the potential protective and therapeutic effects of chitosan, as an FDA-approved biomolecule, against COVID-19 and influenza viruses.

中文翻译：

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壳聚糖：一种有前景的抗 SARS-CoV-2 和流感病毒的保护成分

最近由一种被称为 SARS-CoV-2 的新型冠状病毒引起的大流行让国际社会感到意外。目前还没有针对这种病毒的有效疫苗或治疗方案。从这个角度来看，我们讨论了壳聚糖作为 FDA 批准的生物分子对 COVID-19 和流感病毒的潜在保护和治疗作用。