Why do mosquitos only bite some people?

Doctor Sanjay Juneja answers blood questions from twitter! Wired shared this video on Youtube!

Hematologist and medical oncologist Dr. Sanjay Juneja joins WIRED to answer some bloody interesting questions from the internet. What happens when someone is injected with the wrong blood type? Why do mosquitos seem to prefer biting some people and not others? How do scabs form and what do they do exactly? Dr. Juneja answers all these questions and many more on WIRED Blood Support.

from Adafruit Industries – Makers, hackers, artists, designers and engineers! https://ift.tt/cDIL36H
via IFTTT