Immune Systems Advisor

A laboratory worker at an anti-plague research institute in Siberia died after developing severe pneumonia. Russian authorities have not confirmed plague , while conflicting reports have fueled concern about a possible pneumonic-plague infection or laboratory exposure. Updated: October 6, 2026   |   Status: Developing story Important: There is no confirmed evidence, as of October 6, 2026, that a pneumonic-plague outbreak is occurring in Siberia. Russia's federal public-health watchdog, Rospotrebnadzor, has described the patient's illness as pneumonia of unknown etiology and said expanded testing did not identify microorganisms associated with her professional activity. The World Health Organization has said that, based on available information, the public-health risk to the general population appears low. What happened in Irkutsk? A 28-year-old employee identified by local and international reporting as Da...

By OneDayMD Editorial Team · Published September 30, 2026 · Updated October 1, 2026 · Evidence last checked October 1, 2026 Quick Answer: does anything work for Long COVID? No specific treatment has been proven to work for Long COVID in general. Randomized trials have found no benefit from extended Paxlovid (959 adults), metformin (396) or short-course hyperbaric oxygen (80). Promising but unconfirmed signals include the SIM01 synbiotic (463 people, Hong Kong) and physical-activity coaching (50). For prevention during acute COVID, Paxlovid (144 people) and metformin show mixed or underpowered results. Care remains individualized and symptom-focused. Medical disclaimer. This article is educational and is not personal medical advice, diagnosis or treatment. Long COVID can overlap with cardiovascular, pulmonary, neurological, endocrine and sleep disorders. Do not st...