Featured in immune system
There are more immunocompromised Americans than we think, and that’s a problem with COVID-19 vaccines
People with compromised immune systems are potentially at-risk for a serious case of COVID-19.
COVID might be linked to more blood clots than we thought
A new study suggests the coronavirus itself causes blood clots more than we realized.
Ask Us Anything: Can you actually boost your immune system?
There’s no short cut to a healthy army of white blood cells.
COVID-19 immunity could be long term
New findings suggest that immune response to COVID-19 may be long-lasting.
Why two doses of the new COVID-19 vaccines are better than one
One dose can be effective, but for how long?
Why COVID-19 attacks aging immune systems so fiercely
The US president’s age makes him more vulnerable to the virus and its many side effects.
What makes a patient asymptomatic to COVID-19?
Some scientists are confident that the immune system’s aggressive response to the virus is only part of the story.
The CDC clarifies that COVID-19 immunity and antibodies are still a mystery
New guidelines on quarantining send a mixed message.
Why no one knows if you can catch COVID-19 twice
More evidence is needed to determine whether people who recover from the novel coronavirus are vulnerable to reinfection.