Saliva generally refers to saliva, which is capable of transmitting influenza virus, new coronavirus, EBV, syphilis, rabies virus, Helicobacter pylori, HPV virus, etc., in addition to Hepatitis A virus and Hepatitis E virus. Saliva is capable of transmitting a wide range of diseases, such as the currently prevalent influenza virus and the new coronavirus, which are transmitted through respiratory droplet infection, causing fever, coughing, and respiratory difficulties. Saliva can also transmit the EB virus, which can cause infectious mononucleosis, fever, lymph node swelling. Saliva can also transmit syphilis, which can cause chancre and swollen lymph nodes. Saliva can also transmit the rabies virus, which can even cause death. If you eat together and don’t use chopsticks, your saliva can transmit Helicobacter pylori, which can lead to chronic gastritis. Saliva can also transmit the HPV virus, leading to localized warts. In addition, hepatitis A and E viruses can also be transmitted through saliva. Usually should be well protected.