Nowadays, in the phase of COVID-19, it is more than important to stay healthy and fit. Maintaining a strong immune system can help fight various flues and viruses. However, most of us are unaware that diets high in zinc can boost a person's immunity by activating 300 enzymes in the body. These enzymes aid in cell division, wound healing, protein and DNA synthesis, and immune system stimulation, among other things. Therefore, including zinc-rich foods in your diet is essential to build a strong immune system. Here we’ve compiled the list of the top 5 zinc-rich foods you can consume to boost immune system.