The patient did mount an immune response to the new infection, however, and did not experience symptoms.
Tag: Antibodies
Covid-19: What if ‘Herd Immunity’ Is Closer Than Scientists Thought?
In what may be the world’s most important math puzzle, researchers are trying to figure out how many people in a community must be immune before the coronavirus fades.
Scientists See Signs of Lasting Immunity to Covid-19, Even After Mild Infections
New research indicates that human immune system cells are storing information about the coronavirus so they can fight it off again.
Your Coronavirus Antibodies Are Disappearing. Should You Care?
Declining antibody levels do not mean less immunity, experts say. Besides, two widely used tests may detect the wrong antibodies.
You May Have Antibodies After Coronavirus Infection. But Not for Long.
Antibodies to the virus faded quickly in asymptomatic people, scientists reported. That does not mean immunity disappears.
Uncertain Results in Study of Convalescent Serum for Covid-19
Do antibodies from patients who have recovered actually help those struggling with the disease?
Coronavirus Vaccine Shows Promising Early Results in China
A trial with 108 participants suggests the vaccine is safe and may be moderately effective. But experts noted that the approach has failed in the past.
Prototype Vaccine Protects Monkeys From Coronavirus
A series of animal experiments may point the way to an effective human vaccine, scientists said.
After Recovery From the Coronavirus, Most People Carry Antibodies
A new study adds to evidence of immunity among those who have already been exposed to the pathogen.
Herd Immunity, or Big 2nd Wave? Israel Antibody Testing Hopes to Find Out
Blood tests of 100,000 Israelis will try to assess exposure to Covid-19 on a nationwide scale.