immunity

Once the herd immunity threshold is reached, the virus just doesn’t go away. Arthobbit via Getty Images There are two ways to reach herd immunity for Covid-19: the slow way, and the catastrophic way. How will the Covid-19 pandemic end? And when? These have been the biggest questions since the pandemic began earlier this year. The…

The concept of herd immunity is at the heart of global vaccination efforts and discussions about next steps in fighting the Covid-19 pandemic and bringing back economies. For the pandemic to stop, the coronavirus has to run out of susceptible hosts to infect. Herd immunity occurs when enough people in a population develop an immune…

Immunity Ahoy? — The study is small and tricky to interpret, but it offers inklings of COVID-19 immunity. Beth Mole - Aug 22, 2020 2:00 pm UTC Enlarge / Fishing vessels in Seattle. Hints of protective immunity against the pandemic coronavirus have surfaced in the wake of a recent COVID-19 outbreak that flooded the crew…

© Simon Dawson/Bloomberg Test tubes to be used for blood samples sit on a table at an antibody testing program at the Hollymore Ambulance Hub in Birmingham, U.K., on June 5. (Simon Dawson/Bloomberg…

A series of new studies have revealed signs of strong and lasting immunity in people who developed a mild coronavirus infection, according to a report on Sunday.The studies, which have yet to be peer-reviewed, uncovered that antibodies and immune cells capable of recognizing the virus were apparently present months after infections concluded. The findings could help to eliminate the previous concerns…