probably some microbes there, there are some microbes there that live in fresh milk, fresh milk can live brucela disease that occurs in a very unique way , because you can get sick with it, you can become infected just from fresh milk, then there will come a period of malaise, lethargy, acute respiratory infections in general. everything can go away, in a month, another, and sometimes even after six months , damage to the joints begins, and you don’t even remember in general, what was it, was it milk or was it just that you hit yourself or you sat down somehow unsuccessfully, which means that the first is unboiled milk, if the cow is infected with brucilosis, and you don’t know about it, the second is ticks, ticks, and this is not tick-borne encephalitis, against which you can be vaccinated, unfortunately, there is no vaccine for this disease, it is barolyosis, lyme disease, so even in the moscow region in central russia, not to mention siberia and the far east, you need to examine yourself every hour, especially understanding that either you may have a mite in your area, or you went somewhere f