New World screwworm in Texas is raising concern among ranchers, veterinarians and pet owners after federal animal-health officials confirmed the parasite’s return in U.S. animals. The threat is serious because New World screwworm larvae can infest living tissue in cattle, pets, wildlife and, less commonly, people. But officials and experts also stress that the United States has defeated this pest before. New World screwworm in Texas: what officials confirmed

Kerala health authorities have increased surveillance in Kozhikode after a 43-year-old man tested positive for Nipah virus. Officials have traced contacts, placed high-risk people under quarantine and strengthened public health monitoring in the district. Kozhikode Nipah Alert: Kerala Steps Up Surveillance After New Case Kerala has stepped up health surveillance in Kozhikode after a fresh Nipah virus case was reported in the district. The patient, a 43-year