Hamsters infected with the new corona were found to have 'smaller testes' and significantly reduced sperm count and androgen levels
In addition to pneumonia, the new coronavirus has been reported to cause various symptoms such as cognitive decline and headache, and there are cases in which
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections by intranasal or testicular inoculation induces testicular damage preventable by vaccination in golden Syrian hamsters | Clinical Infectious Diseases | Oxford Academic
https://doi.org/10.1093/cid/ciac142
Below is a photo of the testis of a healthy hamster (left) and the testis of a hamster 42 days after infection with the new coronavirus (center / right), and the lower row is the testis of a healthy hamster (left) and the new coronavirus. It is a photograph of the testis (center, right) of a hamster 120 days after infection. Looking at the pictures, we can see that the testes of hamsters infected with the new coronavirus are smaller than those of healthy hamsters. According to the research team, hamsters treated with the new coronavirus vaccine did not show testicular shrinkage after being infected with the new coronavirus.
The graph below shows the number of sperm in hamsters (Mock) that were not infected with the new coronavirus, 42 days after infection (42), and 120 days after infection (120). Hamsters infected with the new coronavirus have significantly lower sperm counts than uninfected hamsters.
Also, looking at the graph below, which shows the blood levels of testosterone, one of the male hormones, we can see that the testosterone levels of hamsters 120 days after being infected with the new coronavirus are significantly lower.
From the above results, the researchers conclude that the new coronavirus causes acute and chronic damage to the testes of hamsters. He also cited previous studies showing an association between infection with the new coronavirus and reduced reproductive function in human males. 'The hamster example is consistent with the reported decline in fertility in humans. Long-term observations are also needed on male hormone levels and sperm counts in men infected with the new coronavirus. '
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