Prophylactic HPV-16/18-L1 vaccines would provide greater than 75% protection against SCC in India. Ranking and frequencies of non-16/18 types were different from earlier reports. Hence, considering the possibility of promotion of persistence of nonvaccine types in the vaccinees due to original antigenic sin and the lack of organized screening programs in India, a broad-based vaccine approach would be appropriate.
The frequency of Toxoplasma gondii (Tgondii) infections was investigated during febrile episodes in nonstem cell transplant patients with haematological malignancies (HM). One hundred and sixty-two febrile episodes in 125 HIV-negative patients with HM undergoing treatment at Kidwai Memorial Institute of Oncology, Bangalore, India comprised the study group. Plasma from anticoagulated whole blood was used for amplifying the B1 gene of T. gondii by nPCR. Specific antibodies to T. gondii (IgM and IgG) were tested using commercial kits. Corticosteroid and cotrimoxazole usage during these episodes was 50 and 41%, respectively. Twenty-two of the febrile episodes (14%) were positive for T. gondii; nine of which did not have any other concomitant infecting pathogen and were seen in symptomatic patients. While majority of these (13%) were 'Toxoplasma infection', there was a single case of 'probable Toxoplasma disease' (0.6%). In four of the fatal febrile episodes, T. gondii was the causative agent; two of which did not have any other concomitant infection. None of the patients had undergone stem cell transplantation.
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