第一财经·2026-01-26 08:58Group 1 - The article highlights a significant surge in stock prices of companies involved in nucleic acid and antigen testing, such as Maike Biological (300463.SZ), Zhijiang Biological (688317.SH), and Kaipu Biological (300639.SZ), with some stocks hitting the daily limit and others rising over 10% [3][4]. - The recent outbreak of Nipah virus in West Bengal, India, has led to confirmed cases, including healthcare workers, raising concerns about its potential spread [3][4]. - Nipah virus is classified as a zoonotic disease with a high mortality rate, reaching over 40%, and poses a significant public health threat, especially given its history of outbreaks in various regions [4][5]. Group 2 - Experts indicate that while Nipah virus can be transmitted between humans, the risk remains low in China, as transmission requires very close contact with infected individuals or animals [5]. - The primary transmission routes for Nipah virus include consumption of contaminated fruits or syrups and transmission from bats to pigs, which can then infect humans [5].