He is scheduled to play in the Bundesliga team championships in Germany this week, then in the annual Norway Chess. These are OTB tournaments.
The Norway event explains why he will not be in the concurrent US Championship.
This schedule may make it easier to travel from Norway to a rescheduled Candidates tournament in Russia in November. It’s not clear how much quarantining he must do in each country.
The quarantining requirements by country are fluid, they could change a dozen times between now and the Candidates event.
The WHO is expecting a world-wide surge in COVID-19 cases over the next several months, with multiple factors leading to the increases.