Immune Systems
AstraZeneca to buy Alexion for $39 billion to expand in immunology
Covid toes, rashes, hair loss: Eight ways coronavirus can affect your skin
Some severe Covid-19 patients may not develop lasting immunity, says study
What worst Covid-19 cases tell about biological patterns, scientists reveal
Understanding bat immune system may help identify Covid-19 drug: Scientists

Immune cells associated with protection against Covid-19 identified: Study
India coronavirus dispatch: The human body's immune response to the virus
Get enough protein, focus on vitamins, minerals to boost your immunity
Exercise can keep aging muscles and immune systems 'young', says study