The immunity system does a remarkable job of protecting you against disease-causing microorganisms. Sometimes, it fails; some viruses invade successfully and make you sick. A healthy immune system will protect you from illnesses such as novel coronavirus, the flu, or common cold. So, you want to keep safe from such deadly disease? And still don’t know how to boost your immune system healthy and strong? No worry. There are plenty of things that claim to help protect yourself against some antigens. Of course, the boosting immune system is much harder to accomplish than you might think.