Core Points - The U.S. government has canceled a contract with Moderna for the late-stage development of a human avian influenza vaccine, raising concerns among experts about the potential loss of a critical tool for responding to avian flu outbreaks [1][3] - Moderna received $590 million in funding from the Biden administration in January to advance avian flu vaccine research and expand clinical studies to include five additional flu subtypes [3] - The U.S. Department of Health and Human Services previously allocated $176 million to Moderna for the late-stage development and testing of an mRNA-based vaccine targeting the H5N1 avian flu strain, totaling over $700 million in funding [3] - A spokesperson from the Department of Health and Human Services stated that the project did not meet the scientific standards and safety expectations required for continued federal investment [3] - Experts, including a senior scholar from Johns Hopkins University, criticized the cancellation, suggesting it undermines the government's ability to effectively combat potential avian flu outbreaks [3] - The World Organization for Animal Health reported a significant increase in avian flu cases among mammals in 2024 compared to 2023, indicating a heightened risk of the virus spreading to humans [3] Industry Insights - The prevention of animal diseases is crucial for reducing antibiotic use and combating the development of antimicrobial resistance [4] - Without urgent action, antimicrobial resistance could lead to significant livestock losses, threatening food security for 2 billion people and resulting in economic losses of up to $100 trillion by 2050 [4]

Group 1 - The core point of the article is that the United States has imposed restrictions on imports of chicken products from Brazil due to an outbreak of avian influenza [1] Group 2 - The restrictions are a response to concerns over the spread of avian influenza, which could impact the poultry industry [1] - This decision may affect Brazil's chicken exports, which are significant to its economy [1]

巴西农业部声明：确认巴西商业农场首次爆发禽流感疫情。 ...