According to the British "Daily Mail" reported on June 23, Georgia State University, a study found that some viruses can survive on the toy for about 24 hours, which will undoubtedly endanger the health of children, increasing the risk of childhood illness. Experts suggest that the family indoor, nursery facilities, the doctor's office and other places to conduct a thorough disinfection, reduce the risk of child infection.Previous research has found that there are some viruses in children's toys, but do not know how long these viruses can survive on toys. Therefore, researchers can not estimate the probability of infection, can not take effective measures. A new study by Georgia State University on how long the virus survives on a toy has shown that some viruses can survive for about 24 hours at a certain indoor temperature and relative humidity.The study focused on the envelope virus, the virus has a protective layer of appearance, to extend the survival time of the virus, and can infect other cells. The researchers used a phage capable of infecting the bacterium's envelope virus to detect the duration of the virus's survival in the human body. They implanted the virus into the toy, the room temperature was adjusted to 22 degrees and the relative humidity was maintained between 40 and 60 percent. After 24 hours, when the relative humidity in the room remained at 60%, 1% of the virus survived, 99% of the virus died. When the indoor relative humidity is less than 40%, two hours later, 99.9% of the virus died, leaving only 0.1% of the virus survived. In the 10th hour, the researchers were able to revive 0.0001% of the virus. In other words, as long as the virus survives, children still have the risk of infection. Different families, the indoor relative humidity varies, so it is necessary to prevent the spread of the disease.At present, the research results have been published in the Journal of Pediatric Infectious Diseases (The Pediatric Infectious Disease Journal). Dr Richard Bearden II of Georgia State University, the first author of the article, says people tend to think that it is only possible to infect people with other viruses. In fact, children can easily get infected with the toys because they often put their hands and other items into their mouths, and their immune system is often not yet fully developed. Therefore, people should focus on the family indoor, nursery equipment and doctor's office, as well as other places that may share toys, disinfected it thoroughly, to ensure that children's toys will not become a gathering place of the virus. Other places such as door handles, elevator buttons, and any items that are in direct contact with one another are also preferably disinfected.