f1-secondary-attack {ctfepi}sealed case file

Secondary Attack

Case F1, Saltmarsh FeverOutbreak Investigation and Infectious Diseasescene 3medium200 pts

Case

Forty guests fall ill after a wedding at Lantern Quay, then their households follow.

What this scene will ask

Household contacts of index cases.

Planned flag: secondary attack rate among all contacts, 4 dp; among vaccinated contacts, 4 dp; number of co-primary cases excluded under the stated rule.

Status

[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.