Russia denies anti-plague measures as US urges transparency over Siberian lab worker's death

Russia has denied imposing special anti-plague measures after the death of a 28-year-old lab worker in Siberia, with Washington urging full transparency over the case.

• A 28-year-old worker at the Anti-Plague Institute in Irkutsk died, with local media reporting around 200 contacts placed under observation.
• Rospotrebnadzor denied as false a document circulating online about special anti-plague measures, saying the situation was stable.
• Marco Rubio urged Russia to share more information with the world, saying Washington was watching the case closely.
• The WHO said risk was low for Russia and very low for Europe, citing an initial assessment of the situation.
• The Trump administration is considering a formal diplomatic demarche to demand more information from Moscow.
• Trump said he plans to speak with Russian President Vladimir Putin on the matter 'very soon.'
• WHO chief Tedros Adhanom Ghebreyesus called on Russia to be transparent about the lab worker's death.
• China confirmed it is cooperating with Russia on infectious disease prevention, its foreign ministry said.
• Mongolia's health ministry assessed the risk as low and is monitoring the border with Russia.
• The WHO said a second Irkutsk lab employee contracted a similar respiratory infection and is investigating the case.
• Russian authorities imposed quarantine at the institute and nearby hospitals while attributing the death to pneumonia.
• The US formally requested additional and transparent details from Moscow about the lab worker's death.