This study is intended to collect blood from healthy individuals to investigate whether variations in immune-related (inflammasome) genes affect how the immune cells found in the blood can help fight infections and prevent diseases.

Inclusion Criteria:

1. Healthy with no chronic or acute illnesses, or taking medication which in the opinion of the PI would impact the analyses being conducted.
2. At least 18 years or older.
3. Are capable of reading, understanding and providing written informed consent.

Exclusion Criteria:

1. Non-English speaking.
2. Individuals under 18 years old.
3. Woman who believe they are or may be pregnant. (Based on self reporting. Pregnancy testing will not be conducted for the purposes of this study)
4. Individuals experiencing acute or chronic illnesses which in the opinion of the PI would impact the analyses being conducted.
5. Currently taking prescription or over the counter medication which in the opinion of the PI would impact the analyses being conducted.
6. Individual has donated blood more than twice in the last week or the amount to be drawn will exceed the maximum allowance in the last 8 weeks.

Normal volunteers.