![]() Which COVID-19 virus variants are the new vaccines designed to fight?Įach vaccine has a fifty-fifty mix of the virus’s spike protein from the original Wuhan strain of the virus that was used for the earlier vaccines and a spike protein segment from the Omicron BA4 and BA5 variants responsible for the most recent surge, and for most new U.S. To learn more about the new booster vaccines and the prospects for gaining the upper hand against COVID-19, we spoke to Joel Ernst, MD, a UCSF professor of medicine whose research aims to understand how pathogens evade the immune system. Boosters reduce the likelihood of becoming infected with Omicron, and they also reduce the likelihood of hospitalization and death should one become infected despite vaccination. ![]() They are called “bivalent,” because they protect against currently circulating Omicron variants as well as earlier strains of the SARS-CoV-2 virus that causes COVID-19. Last month new booster vaccines made by Moderna and Pfizer became available. New booster vaccines are effective against Omicron variants and previous SARS-CoV-2 strains. ![]() Regina Lai, a UCSF pharmacy technician, examines a dose of the Moderna COVID-19 vaccine. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |