Because he has immunodeficiency, he always pays attention to his health management.

I am majoring in immunology at university.

He is dedicated to the study of immunochemistry.

People with strong general immunity are less likely to catch a cold.

Mucosal immunity plays a crucial role in protecting our bodies from pathogens.

Everyone, have a good New Year.

Because he is bright, he was able to solve the problem immediately.

Ryosho is my best friend.

Ryoka is my best friend.

Ryochi is my best friend.