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A picture shows why the delta strain is so fierce: the epidemic spread chain in Nanjing has increased to 170 people, making it more infectious

via:驱动之家     time:2021/7/29 7:01:10     readed:181

The delta strain first discovered in India has become the mainstream of new cases in more and more countries. More than 100 countries and regions have reported the infection cases of delta strain.

Medrxiv published a study by Guangdong CDC and other teams on July 23. The study was completed by he Jianfeng, deputy director and chief expert of Guangdong CDC. The results show that delta virus may have faster virus replication ability and stronger infectivity in the first local transmission in China, The viral load associated with the confirmed cases of the delta strain is 1260 times that of the 19A/19B COVID-19 virus in 2020.

It is found that delta virus has faster replication speed and may be more infectious in the early stage of infection.

Studies have pointed out that individuals will experience an incubation period after infection, during which the virus titer is too low to be detected. As the virus continues to proliferate in the host, the viral load will eventually reach a detectable level, and the individual will become infectious.

In addition, novel coronavirus pneumonia patients may be active in fever clinic or designated hospital when there are some typical symptoms of new crown pneumonia patients, or if they are closely connected or closely connected. If there are some atypical symptoms including mild pharyngeal pain, slight fatigue, mild gastrointestinal tract, olfactory dysfunction, and taste obstructions,


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