# Disease Timeline 1. *Incubation period*: Time between infection and first symptoms. 2. *Extrinsic incubation period*: Time between arthropod infection and becoming infectious. 3. *Intrinsic incubation period*: Time between human infection and symptom onset. 4. *Minimum incubation period*: Minimum time between infection and symptoms. 5. *Maximum incubation period*: Maximum time between infection and symptoms (duration for quarantine). 6. *Serial interval*: Time between primary case and secondary case symptom onset. 7. *Generation time*: Time between infection and achieving maximal infectivity. 8. *Period of communicability*: Time during which an infectious agent can be transmitted. 9. *Latent period*: Time between exposure to a disease-causing agent and disease development (mainly for noncommunicable diseases). 10. *Prepatent period*: Time between parasite infection and first appearance of microfilariae in the blood. 11. *Window period*: Time between pathogen entry and antibody production. *Join for more* https://whatsapp.com/channel/0029VaWv1TDKbYMImC5TuR3Q