Sarder Hossain

Sarder Hossain replied to "Basics of Laboratory Biosafety" in the TB Infection Control community.

BSC Type2 without hard ducted/thimble exhaust system and negative pressure room,how much it is safe to perform Mtb culture inside BSC. Best Regards, ________________________________ Sarder Tanzir Hossain B.Sc.(Hon's) and M.S. in Microbiology (DU) Microbiologist Health Program, BRAC Afghanistan. Website:http://www.brac.net,www.bracafg.org

Sarder Hossain replied to "Basics of Laboratory Biosafety" in the TB Infection Control community.

Discussion contents: Guidelines and specifications for managing TB laboratory equipment and supplies say: Laboratories should discourage use of Class IIA1 BSCs because they may have contaminated ducts and plenums at a positive pressure to the room. Reply Contents.Some countries are using Class IIA without any thimble connection system to exhaust and air comes from BSC recirculates in the room.Most of the time even they don't follow regular certification and maintenance of BSC. Obviously,it is more ...

Sarder Hossain replied to "On the contributions and passing of Sidney Parsons, PE, PhD" in the TB Infection Control community.

Dear all, It is very bad news for me , although I did not get any opportunity to meet with him.I thought he had a rear quality of talents by which he contributed to this world very much. I pray for the eternal peace and comfort of his departed soul, and mental strength to his bereaved family to bear this irreparable loss. Regards, ________________________________ Sarder Tanzir Hossain B.Sc.(Hon's) and M.S. in Microbiology (DU) Microbiologist Health ...

Sarder Hossain replied to "Possible reason for Cat-1 new cases recognized as MDR-TB" in the MDR-TB Treatment & Prevention community.

Reply- Primary acquired MDR-TB case means who was never exposed to TB drugs in his life before but diagnosed as MDR-TB(New Cases), and Secondary acquired MDR-TB case means it has been acquired due to weak DOTS system,low quality medicine,treatment gap with so many reasons. Let me be clear that the sample was taken for diagnosis purposes or follow up to define the case whether it is a primary DR-TB or secondary DR-TB? Moreover, it would ...

Sarder Hossain replied to "Possible reason for Cat-1 new cases recognized as MDR-TB" in the MDR-TB Treatment & Prevention community.

Your are absolutely right.I want to put the issue that is -to identify the reactivation or reinfection of TB is very difficult.It needs genotyping. In DR-TB survey ,is it so necessary to know about the genetic makeup of the strain ?I know it has some importance to understand from where the strain comes or to see how many patients are infected with the same strain.May be to find the primary MDR-TB through matching the strain ...