IrkutskWatchdog calls region calm, Russian state news agency TASS reported.
Rospotrebnadzor, Russia’s consumer health agency, dismissed online plague rumours about an anti-plague institute employee as unconfirmed.
It later said the woman had pneumonia of unknown etiology, giving no test results.
Rospotrebnadzor has not said what caused the pneumonia, and no independent source has verified its account.
Sources: TASS