“… 3 Low‐grade fever, chronic cough, expectoration and dyspnoea were the most common symptoms among the patients. 3 , 4 , 5 Lophomonas trophozoite is mainly diagnosed by microscopic examination of respiratory secretions of patients, mainly bronchoalveolar lavage fluid (BALF), 3 , 4 , 5 , 6 , 7 but because of its similarity to the respiratory epithelial cells, it might be missed. 3 , 7 …”