The answer to 'are mosquito dangerous' is yes, mosquitoes can be dangerous. Mosquitoes are vectors that can transmit various diseases, including malaria, dengue, Zika, and West Nile virus. These diseases can cause serious health problems, and in some cases, can even be life-threatening.
Mosquitoes feed on human blood, and during this process, they can pick up and transmit pathogens that can infect the host. Different species of mosquitoes are responsible for transmitting different diseases, so the specific risks can vary depending on your location and the mosquito population in your area.