Severe episodes of coughing start about 10 to 12 days later.
严重的咳嗽发作开始约10至12天以后。
PCV2 and Mycoplasma co-infection results in severe disease characterized by coughing, labored breathing, lethargy and decreased growth.
PCV2和支原体同时感染会加重病情，表现为咳嗽，呼吸困难，嗜睡和生长缓慢。
PCV2 and Mycoplasma co-infection results in severe disease characterized by coughing, labored breathing, lethargy and decreased growth.
PCV2和支原体同时感染会加重病情，表现为咳嗽，呼吸困难，嗜睡和生长缓慢。
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