In the scorching summer, many people are favored by mosquitoes and often kissed until they are completely naked, but some people are not visited by mosquitoes. Although there were several people together and no one else had anything to do, he was the only one covered in bags. So who are the more susceptible to mosquitoes? What should I do after being bitten by mosquitoes?

The brown rat is a relatively large domestic mouse in the family Muridae. The body is thick and sturdy, with a tail that is more than one-third of the body length, sparse fur, and clearly visible circular scales. The head is small and the kiss is short, the ears are short and thick, and they cannot be rolled forward to reach the eyes. The hind legs are relatively thick. There are 6 pairs of nipples, 1 pair of abdomen, and 3 pairs of groin in female brown rats. The body back hair is mostly brown or gray brown in color, with a dark gray base and brown dyed tips. The head and back center of the hair are darker in color, and some parts are all black with long hair. The lateral hair color is slightly light, the base of the ventral hair is dark gray, the tips of the hair are light gray, and it is slightly stained yellow. The squamous segment of the tail is present, and the fur of young mice is darker, dark brown, and relatively soft. The body hair varies depending on age and habitat.

1. What is a vector organism? Vector organisms refer to organisms that can directly or indirectly transmit diseases (generally referring to human diseases) and pose a threat to human health. Vector borne infectious diseases have the characteristics of rapid transmission and easy spread, posing a serious threat to people's physical health. With global climate change, cities

Since 1993, the China Association for the Prevention and Control of Harmful Organisms has held annual conferences in different parts of the country, and it has been more than 30 years now. The 2025 National disinfection and sterilization Conference will be held in Wuhan from March 5 to 8. The conference mainly carries out industry policy guidance, industry academic, management and other experience exchanges, industry hotspot analysis, and pharmaceutical and equipment information

As our company accelerates its leapfrog development, we are delighted to welcome all the leaders to come and guide the assessment work. Here, our company warmly welcomes! Warm greetings and heartfelt thanks to all the leaders! The guidance provided by the leaders on site has greatly benefited our company, injecting a stimulant, strengthening our power source, clarifying the roadmap, issuing task books, sounding the call for assembly, and issuing mobilization orders. In terms of ideology, the guiding ideology emphasizes the liberation of the mind, responsibility, reform and innovation, and self-restraint. In the future, our company's direction of progress will be more clear, our values will be more distinct, our methods and paths will be clearer, and our vision will be broader. Once again, we sincerely thank all the leaders!