What happens when Pathogen gets in our body?
- 1. Incubation Period --The time from ingestion of the germ to apperance of first symptom (varies among MO) i.e. Staph Aureus food poisining within 3 hours.
- 18-24 hours for SAMONELLA. 3-6 months for T.B.
2. Prodromal Period
-- whe the first symptoms appear "I think I'm coming down with something"
3. Invasive Period
--When Pathogen has started attacking the tissues of the host. Practically ALL symptoms appear during this period. Fever Starts.
Pathogens produce PYROGENS
which act on the hypothalamus gland that raises body temp.
4. Acme Phase
--During this phase the battle between Pathogen and Immune cells reaches its height.
5. Decline Phase
--Pathogen has been destroyed
6. Recover Phase
--has to rest to build up immune system.