Aircraft grass

Aerosol grass, scientifically known as *Eupatorium odoratum* (commonly referred to as "Citron" or "Xiang Zelan"), is a member of the Asteraceae family. This perennial herb or sub-shrub can grow up to 3–7 meters tall, featuring thick rhizomes and erect, branched stems. Its leaves are opposite, triangular-ovate in shape, with a short sharp tip and serrated edges. The leaves have prominent three-veined structures, are rough on both sides, and covered with fine hairs and reddish-brown glands. When crushed, they emit a strong, pungent odor. The plant produces corymbose inflorescences, with head-shaped flower clusters. The flowers are tubular, with pale yellow corollas and pink stigmas. The achenes are narrowly linear, ribbed, about 5 mm long, and covered with short hairs along the ribs. They feature a grayish-white crest, which helps them disperse by wind. This species thrives in tropical and subtropical regions, particularly during dry seasons when wind conditions favor seed dispersal. Native to Central America, it has now spread widely across South America, Africa, and Asia. It was introduced to Thailand in the 1920s as a spice plant and was first recorded in southern Yunnan, China, in 1934. Since then, it has invaded areas such as Hainan, Guangdong, Taiwan, Guangxi, Yunnan, Guizhou, Hong Kong, and Macao. It spreads rapidly, often outcompeting native plants and releasing allelochemicals that inhibit nearby vegetation. Once it reaches 15 cm or taller, it can significantly disrupt local ecosystems. Aerosol grass is also a health concern. Its leaves contain toxic compounds, including coumarins, and can cause skin irritation, blistering, and allergic reactions. Ingesting fresh leaves may lead to dizziness, vomiting, and poisoning in livestock, poultry, and aquatic animals. Additionally, its strong scent can deter insects, making it unattractive to herbivores. The plant is typically harvested in spring and summer, washed, and used fresh. It is a perennial evergreen subshrub, growing 1–3 meters tall, with aromatic leaves and stems that range from greenish-yellow to dark brown. New branches are green, while older ones turn grayish-yellow. Leaves are petiolate, and flowers appear in corymbose clusters during autumn and winter. The flowers are tubular, with light yellow, pink, or pale white corollas. The achenes are black, five-sided, and topped with bristly crests for wind dispersal.

Vaccine For Rabies Prophylaxis

Travelers to areas where rabies is endemic may be at risk, especially if they are likely to come in contact with animals in areas where dog or other animal rabies is enzootic and immediate access to appropriate medical care is unlikely. Canine rabies remains highly endemic in certain areas of the world. Need for rabies preexposure vaccination depends on the nature of risk and associated level of potential exposure. preexposure vaccination based on local incidence of rabies in the country to be visited, availability of appropriate agents for rabies postexposure prophylaxis in that country, and intended activity and duration of stay

Vaccine For Rabies Prophylaxis,Rabies Prophylaxis Vaccine,Freeze Rabies Prophylaxis Vaccine,Freeze Vaccine For Rabies Prophylaxis

Changchun Zhuoyi Biological Co., Ltd , http://www.zy-bio.net