Face masks, handwashing, and vaccination do not weaken the immune system, and are effective measures to reduce the spread of infectious diseases
Public health measures such as vaccination, wearing face masks, or frequent handwashing do not reduce the ability of a person’s immune system to fight infections. On the contrary, these measures mitigate the spread of pathogens in the community and protect individuals from infectious diseases, including COVID-19. A balanced diet, regular exercise, adequate sleep, and reduced stress levels can also help maintain a healthy immune system.