You know what comes up if you search for "the bite that has no cure" in the time frame before 2018? Rabies. Over and over again.

https://www.infobloom.com/what-are-symptoms-of-rabies-in-humans.htm

symptoms of rabies in humans include irritability, itching at the infection site, and fever

Rabies symptoms may not show up for months, but when they do, a person is likely to feel like he or she has the flu

confused, agitated, or extremely anxious, inability to sleep, convulsions, seizures, paralysis

People with this infection typically die of heart failure.

This sounds like the Covid vaccine. Those scientists are saying they think there are parasites in the vaccines. Bats can carry rabies.

It may be a bat virus. It might be rabies.