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Apr 4, 2022 · Putting aside environmental factors and protection induced by vaccination (and previous infection), experts say there may be particular genetic and immunological features that mean some people are ...
- Olivia Willis
Mar 22, 2022 · By Jennifer Chesak. Published on March 22, 2022. Fact checked by Nick Blackmer. Verywell Health / Ellen Lindner. Researchers are trying to understand why some people never get COVID-19 despite exposure. One study is exploring whether genetic factors play a role in making someone immune to the virus.
- Jennifer Chesak
Jan 25, 2022 · DOCTOR'S NOTE. Features | Coronavirus pandemic. Why you may not get COVID-19 even when those around you have it. How past exposure to other coronaviruses can stop people from...
Jan 23, 2023 · The study says that while most global research has focused on understanding why some people get severely ill, or die, from COVID, it’s also vital to understand why a small population doesn’t get it at all, or shows no symptoms when infected.
- Doug Most
Apr 21, 2022 · The study has several criteria, including laboratory test confirmation that the person has not had previous COVID-19 infection, intense exposure to the virus without access to personal...
- Cecelia Smith-Schoenwalder
- Senior Writer
Jul 19, 2023 · Hollenbach says. The research could also hold clues that help answer another long-standing question: Why have some people never been infected by the virus at all, even after years of...
Jan 17, 2024 · A new study finds that most COVID-19 transmissions occur after exposures lasting an hour or longer, and short encounters are lower risk.