Household Transmission Investigation (HHTI) template protocol for respiratory pathogens with pandemic potential by World Health Organization
= Household Transmission Investigation (HHTI) template protocol for respiratory pathogens with pandemic potential by World Health Organization
{title2=2023}
Official template: https://cdn.who.int/media/docs/default-source/documents/epp/respiratory-unity-study/unity-studies_g2_hhti.pdf
Section 1.3, printed p. 8, defines the latent period from infection to infectiousness and the incubation period from infection to clinical symptoms; Figure 1 distinguishes these intervals.