Mosquitoes but the government started a campaign that set up a different cells to set up a cleaning campaign as well as must be Eradication Program situation probably will get worse before it gets better mohamed lanier is a viral logy lecturer at Lancaster University and he says there are new types of dengue a virus spreading and that patients who have recovered from the virus before can get infected again. There are a couple of reasons that are really favoring the spread of donkey in bangladesh at the moment is that one of the thing is that is been highlighted that is the. Rainy season and theres a quite a bit of movement because of celebration among the community so all these are contributing to or the surge of the infection but another fact that is more scientifically relevant is that the previously it has been reported that there are or. Have one and 2 those are the problem but this year so you are type 3 and 4 are emerging which means that the people who have been infected before