10 INCREDIBLE ways to BOOST your immune system:

The Measles vaccine
The Mumps vaccine
The Rubella vaccine
The Tetanus vaccine
The Diphtheria vaccine
The Polio vaccine
The HPV vaccine
The Pneumonia vaccine
The Hepatitis B vaccine
The Covid-19 vaccine

@luckytran Only missing #7
@Clarity @luckytran Yeah, wasn't subsidised nor encouraged for boys and men when I was still in the recommended age group. But got the rest, including recent MMR as I think they didn't do a teen shot for boys at the time.