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on august 28, lu hongzhou, liu yingxia and others from shenzhen third people's hospital and shenzhen national clinical research center for infectious diseases published a research paper online in the journal nature communications, systematically revealing the evolutionary trajectory and characteristics of monkeypox virus cladeiib and identifying the new c.1.1 lineage for the first time.

the study included 92 monkeypox cases, accounting for 30% and 66% of the cases reported in guangdong province and shenzhen city during the same period, respectively. demographic characteristics showed that all patients were male, with a median age of 30 years, and 56.5% of patients were also infected with human immunodeficiency virus (hiv). epidemiological surveys showed that 95.7% of them had male-male sexual intercourse. patients had skin lesions in multiple parts of their bodies, and 62.2% of patients had genital lesions, indicating a high risk of transmission of monkeypox virus through sexual contact.

more than 90% of infected people have male-male sexual intercourse

"during that period, we happened to treat 92 patients infected with monkeypox, all of whom were male, and more than 90% of the infected people had male-male sexual intercourse. male-male sexual intercourse is indeed one of the high-risk factors for the transmission of viruses such as monkeypox, and male homosexuals are a high-risk group for monkeypox." lu hongzhou told the people's daily health client reporter that male-male sexual intercourse is special, and the rectal mucosa is more fragile than normal skin and vaginal mucosa, and it is possible to cause small wounds due to contact, making it more susceptible to infection.