Neonates are mainly infected with tetanus through navel, most of which are caused by outdated delivery methods; Some of them are delivered by new methods, but they also get sick because of poor disinfection of delivery kits, or lack of strict aseptic operation, or umbilical infection after birth. Because this kind of bacteria is anaerobic and often coexists with aerobic bacteria, there is tetanus infection in navel and common aerobic bacteria infection. Check the navel, often there will be serious infection. So choose a.