As of 2021, Tripura has reported a significant rise in the number of malaria cases. The state's health officials have declared malaria as an 'epidemic' in some regions. Here are some key points regarding the current situation of malaria infection in Tripura:

• According to the National Vector Borne Disease Control Program (NVBDCP), Tripura reported over 3,700 malaria cases in 2020.
• The number of malaria cases has shown a steep rise in 2021, with around 1,100 cases reported in the first two months of the year.
• One of the major reasons for the increase in malaria cases is the rise in temperature and humidity levels, providing suitable breeding conditions for mosquitoes.
• Several districts in Tripura have been identified as 'high-risk' areas for malaria infection, including West Tripura, Gomati, Sepahijala, and South Tripura districts.
• The Tripura government has launched several awareness campaigns and measures to control the spread of malaria, including distribution of mosquito nets, fogging operations, and the use of anti-malarial drugs.

In conclusion, the situation of malaria infection in Tripura is a cause for concern, and the government and health officials are taking measures to address the issue. It is important for individuals to take precautions against the disease, including regularly using mosquito repellent and nets.