“In an America...Black people ‘are considered dangerous even when they are in their living rooms eating ice cream, asleep in their beds, playing in the park, standing in the pulpit of their church, birdwatching, exercising in public, or walking..."
Reports of reinfection instead may be cases of drawn-out illness. A decline in antibodies is normal after a few weeks, and people are protected from the coronavirus in other ways.
Antibodies to the virus faded quickly in asymptomatic people, scientists reported. That does not mean immunity disappears.
Gut dwellers signal immune cells to stay calm and dial down inflammation.
The world’s most dangerous malaria parasite shuffles its genes in a clever attempt to avoid the immune system. A new approach has begun to reveal how the process works.
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