Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Relative reductions in the mean numbers of daily contacts (during vs. before social distancing) between the eight 10-year age classes. A, all types of contacts; B, physical contacts. The respondent’s age class (years) is on the top row. The rows correspond to the contactees’ age classes (years). The numbers are posterior expectations.
