Can I rinse my feet with cold water after getting vaccinated in spring?

Generally speaking, it is acceptable to wash your feet with cool water after receiving a vaccine in spring. The detailed explanation is as follows:

The mechanism of vaccines involves stimulating the immune system to produce specific antibodies, a process that primarily occurs inside the body and is not directly related to contact with cool water on the skin surface. Washing feet with cool water only affects the skin surface and local blood circulation; it neither damages the vaccine components nor interferes with the immune response of immune cells. As long as there are no obvious discomforts—such as increased redness, swelling, or pain at the injection site, fever, or fatigue—gently washing feet with cool water will not negatively affect recovery after vaccination.

For daily care, consider the following: keep the injection site clean and dry after vaccination, and avoid rubbing it vigorously; opt for lukewarm water when cleaning your body during the initial period to minimize physical irritation; pay attention to how you feel, and if you experience mild fatigue or low-grade fever, rest adequately and drink plenty of water to help alleviate symptoms; avoid spicy and irritating foods in your diet to reduce bodily stress. Following these care practices can help your body comfortably adapt post-vaccination and better ensure optimal immune response.