91. Swine fever is a highly contagious viral disease which is usually fatal for pigs but does not affect humans. 92. Swine fever is highly contagious and usually fatal to pigs but harmless for humans. |
91. Swine fever is a highly contagious viral disease which is usually fatal for pigs but does not affect humans. 92. Swine fever is highly contagious and usually fatal to pigs but harmless for humans. |