Coronavirus One Blood Type May Protect . There are many types of human coronaviruses including some that commonly cause mild upper-respiratory tract illnesses. Blood types may play role in which COVID patients get sickest. Some scientists think that Vitamin D may help protect ... (Isabel Moore) The key message current being communicated by public health. Coronavirus warning: Do you have this blood type? Read our coverage on the global coronavirus outbreak, including live updates, health and safety information, frequently asked questions and more. How is blood plasma turned into an infection-fighting drug? Aerosolized coronavirus can remain in the air for up to three hours. Study Links Blood Type to Covid-19 Risk: O May Help, A Hurt Blood type may determine one's susceptibility to COVID-19 ... Coronavirus symptoms update: What’s yo...