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2 giorni fa · For this reason, white phosphorus that is aged or otherwise impure (e.g., weapons-grade, not lab-grade WP) is also called yellow phosphorus. White phosphorus is highly flammable and pyrophoric (self-igniting) in air; it faintly glows green and blue in the dark when exposed to oxygen.
2 giorni fa · This is a list of flags of states, territories, former, and other geographic entities (plus a few non-geographic flags) sorted by their combinations of dominant colors. Flags emblazoned with seals, coats of arms, and other multicolored emblems are sorted only by their color fields. The color of text is almost entirely ignored.
15 mag 2024 · Yellow fever is caused by a virus primarily spread to people through the bite of infected mosquitoes. Yellow fever virus is maintained in the environment between mosquitoes and non-human primates, like monkeys.
Yellow fever vaccine is recommended for people who are 9 months old or older and who are traveling to or living in areas at risk for yellow fever virus in Africa and South America. The vaccine is a live, weakened form of the virus.
3 giorni fa · Yellow fever. Yellow fever is a viral disease of typically short duration. [3] In most cases, symptoms include fever, chills, loss of appetite, nausea, muscle pains—particularly in the back—and headaches. [3] Symptoms typically improve within five days. [3]
15 mag 2024 · Initial symptoms of yellow fever can include fever, chills, severe headache, back pain, general body aches, nausea, vomiting, fatigue (feeling tired), and weakness. Severe symptoms include high fever, yellow skin or eyes (jaundice), bleeding, shock, and organ failure.
