You might have a lobar pneumonia, for example, and they could give you an antiserum, an injection of rabid antibodies to the bacterium streptococcus, if the intern sub-typed it correctly.
Experts warn other cheaper products aren't as good, some antivenoms products can cost hundreds of pounds per patient, but as some of the poorest to a most risk. World news from the BBC.
Snake venom, collected from farmed reptiles, has been used to make antisera for snake bites for decades by injecting it into mammals such as sheep and horses, and collecting the antibodies thus generated.