Box 1.
Search strategy.
| S1: gambl* OR betting OR “electronic gaming machines” OR lotto OR casino OR poker OR bingo OR blackjack OR lottery OR “slot machine*” S2: covid OR coronavirus OR “2019-ncov” OR “sars-cov-2” OR “cov-19” OR pandemi* |
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.