美国暴发新疫情

Group 1 - The core issue is a salmonella outbreak linked to contaminated eggs, with nearly 100 reported infections across multiple states [1] - The affected company, "Country Eggs," has recalled potentially contaminated eggs primarily distributed in California and Nevada [1] - The CDC has advised the public against consuming the recalled eggs and emphasized the importance of cleaning surfaces that may have come into contact with the eggs [1] Group 2 - The salmonella bacteria are commonly found in domestic and wild animals and can infect humans through contaminated food [1] - Symptoms of salmonella infection typically include diarrhea, fever, and abdominal cramps, appearing within 6 hours to 6 days after exposure [1] - Most patients recover within 4 to 7 days, but children, the elderly, and immunocompromised individuals are at higher risk for severe illness [1]