`+` Create a mind map ( or whatever you think is suitable for your presentation ) about the basics of the vaccine's mechanism `+` Làm một cái sơ đồ về cách thức hoạt động cơ bản của vắc-xin.

The COVID-19 vaccine helps our bodies develop immunity against the virus that causes COVID-19 without getting sick.

Different vaccines work in different ways to provide protection. But with all vaccines, the body will be supplied with "remember" T lymphocytes as well as B lymphocytes that will remember how to fight the virus in the future.

COVID vaccine
Normally, a few weeks after vaccination, the body produces T lymphocytes and B lymphocytes. Therefore, it is possible for a person to become infected with the virus that causes COVID-19 just before or after the injection. vaccine and then get sick because the vaccine hasn't had enough time to build up immunity.

Sometimes after vaccination, the process of creating immunity can cause symptoms, such as fever. These symptoms are normal and are signs that the body is building up immunity. Talk to your doctor about using an over-the-counter medicine, such as ibuprofen, acetaminophen, aspirin (for people 18 years of age or older only), or an antihistamine for any pain and discomfort that follows. when vaccinating.