Studies have shown that the latent period of the new variation of the coronary disease

Peking University and Tsinghua UniversityPatients and symptoms.Not According to Bloomberg, scientists from Peking University and Tsinghua University on Monday ( <> ) Jama Network Open, which is open on the Internet, published a research report that the incubation period of Alpha mutant strain was five days on average.Decline to 3.42 days.Not Researchers also pointed out that depending on the age of the infected section and the severity of the symptoms, the incubation period will be different.Not This study analyzed more than 140 research data to evaluate the incubation period of different mutant strains of the SARS-COV-2 virus.Not Research report pointed out that SARS-COV-2 has continued to evolve and mutations during the entire crown disease, which has produced mutant strains with different enhancement and toxicity.The key factor.Not Bloomberg reports that this discovery is of great significance for mainland China and Hong Kong, which is still adhering to the "clear zero" policy.Not Mainland China and Hong Kong have recently shortened their entry isolation time.Mainland on June 28 < The time and control time of close contact and entry personnel is adjusted from "14 -day centralized isolation medical observation+seven -day home health monitoring" to "seven -day concentrated isolation medicine observation+three -day home health monitoring";From August 12th, the entry isolation policy will be relaxed, and the original overseas people have arrived at the seven -day hotel quarantine period in Hong Kong to the three -day hotel quarantine and four -day home inspection.