Hunan Daily, October 18 (All-media reporter Wang Mingjun, correspondent Zhang Yana) This afternoon, Kaifu District of Changsha City issued a notice on lifting control measures for medium and low-risk areas. After the control is lifted, there will be no high or medium-risk areas within the Kaifu District, and the low-risk areas will be lifted simultaneously. The news is encouraging, but our fight against the coronavirus continues.
Why more than two years have passed, and the new coronavirus is still repeating? Today, let us re-understand the new coronavirus.
Knowledge points
·Coronavirus is a type of virus that is widely present in nature. It is named after the form of the virus looks like a crown under an electron microscope.
·The transmission routes of the new coronavirus include: respiratory droplet transmission, contact pollutant transmission, and aerosol transmission.
·Suspicious symptoms of new coronavirus infection include fever, dry cough, and fatigue. Some patients have decreased or lost sense of smell and taste as the first symptoms, and a few patients have symptoms such as nasal congestion, runny nose, sore throat, conjunctivitis, myalgia and diarrhea.
·Virus (including the new coronavirus) is prone to mutation, which is determined by its biological characteristics.
·Epidemiological data from many countries suggest that the transmission ability of the Omickron mutant strain is enhanced compared with other mutant strains.
·The current research results show that the Omickron mutant strain has not completely escaped the existing vaccine; the existing vaccines still have certain protective effects on the Omickron mutant strain.
■ Read the picture to learn more
information is quoted as "Health in the Heart, Popular Science in Hand" jointly published by Hunan Provincial Center for Disease Control and Prevention and Hunan Provincial Association for Science and Technology. Planning: Zhang Yana; Expert of this issue: Zhang Siyu.
(first instance: Wang Mingjun; second instance: Liu Wentao; third instance: Yang Youhua)
