The Immunity

1. Definition

1.1. What is immune system?

1.2. Immune system functions

2. What kind of disease is able to affect the immune system so differently?

2.1. Definition and history of the appearance of covid-19

2.1.1. The symptoms

2.2. Common symptoms of FLU

2.3. Pneumonia and Covid -19

2.4. What kind of people are more likely to get sick and die from Covid?

2.5. The immune system and covid-19.what kind of changes and threats?

3. What kind of devices is used to check if you have covid-19 and antibodies from Covid-19? Does having antibodies mean you’re immune?

3.1. 2 available tests

3.1.1. The first it’s The PCR

3.1.1.1. How is it done?What does it show?

3.1.2. The second test is a Antigen test

3.1.2.1. How is it done?What does it show?

3.2. Does having antibodies mean you’re immune?

3.2.1. The fluctuations in antibody levels are a normal part of immunity .

3.2.2. The immune system fights with a virus.It creates antibodies.

3.2.3. Antibodies aren't the only way the body remembers a virus either.

4. What vaccines do scientists recommend to stop the infection of the people?

4.1. The first vaccines consist of only a small part or subunit of the virus

4.2. The second vaccine is genetic’ vaccines.

4.3. Any vaccine must go through three rigorous stages of clinical trials.

4.4. Example of a vaccine.The vaccine AstraZeneca

5. Solutions