b'Is Factory Farming making us sick?populated 177 .Salmonella can be transmitted to people through eating contaminated foods, usually of animal origin; via faeces from an infected animal or person; and through direct contact with infected animals. The most commonSymptoms in peoplesources of infection are poultry meat and eggs. In 2019, 25 egg-laying poultry flocksSymptoms include diarrhoea, stomach in the UK tested positive, seven of whichcramps, vomiting and fever. Salmonella can were contaminated with the most seriousalso trigger an arthritic condition known as strains 178 . reactive arthritis, which causes painful and swollen joints 181 . In rare cases, infection can Salad vegetables, spices and herbs, whichbe fatal 182 . may have been cross-contaminated withTreatmentanimal faeces, have also been implicated inMost commercial flocks of birds are now large outbreaks of the infection.vaccinated 183 . Symptoms in animalsWhen farmed animals, particularly poultryIn people, symptoms usually clear up and pigs, become infected, they frequentlywithout medical intervention although, in become carriers of the infection withoutsevere cases, treatment may be required showing signs of ill health. Nevertheless,for dehydration. In some cases, antibiotics infection in pigs can lead to pneumonia,may be prescribed (although a number of coughing, bloody diarrhoea and death; 179 Salmonella strains have been found to be in chickens it can cause blood poisoning,resistant to antibiotics) 184 .diarrhoea, difficulties breathing and death 180 . 27'