![Updated Covid-19 boosters offer protection, but new studies suggest they don't offer an edge against Omicron | CNN Updated Covid-19 boosters offer protection, but new studies suggest they don't offer an edge against Omicron | CNN](https://media.cnn.com/api/v1/images/stellar/prod/221024193034-covid-19-booster-090922.jpg?c=2x3)
Updated Covid-19 boosters offer protection, but new studies suggest they don't offer an edge against Omicron | CNN
![How 'mix and match' COVID-19 booster shots work, according to an infectious disease expert | PBS NewsHour How 'mix and match' COVID-19 booster shots work, according to an infectious disease expert | PBS NewsHour](https://d3i6fh83elv35t.cloudfront.net/static/2021/06/3-NEWSWRAP-1024x646.jpg)
How 'mix and match' COVID-19 booster shots work, according to an infectious disease expert | PBS NewsHour
![WHO Vaccine Advisory Group Endorses Another COVID-19 Booster Shot at 6 Months for Some | Health News | U.S. News WHO Vaccine Advisory Group Endorses Another COVID-19 Booster Shot at 6 Months for Some | Health News | U.S. News](https://www.usnews.com/dims4/USNEWS/f7cf4c1/2147483647/thumbnail/970x647/quality/85/?url=https%3A%2F%2Fwww.usnews.com%2Fcmsmedia%2Fdf%2F81%2Fce8a0b454fab9e057cd25d2100fa%2Fap23062740393905.jpg)
WHO Vaccine Advisory Group Endorses Another COVID-19 Booster Shot at 6 Months for Some | Health News | U.S. News
![What to know about booster shots if you received Johnson & Johnson's COVID-19 vaccine | PBS NewsHour What to know about booster shots if you received Johnson & Johnson's COVID-19 vaccine | PBS NewsHour](https://d3i6fh83elv35t.cloudfront.net/static/2021/07/2021-07-13T113621Z_1331318266_RC2NJO9E995B_RTRMADP_3_HEALTH-CORONAVIRUS-EUROPE-JOHNSON-JOHNSON-1024x628.jpg)
What to know about booster shots if you received Johnson & Johnson's COVID-19 vaccine | PBS NewsHour
![Johnson & Johnson Booster Shot 'Likely' Will Be Necessary, Surgeon General Says—Possibly With A Different Vaccine Johnson & Johnson Booster Shot 'Likely' Will Be Necessary, Surgeon General Says—Possibly With A Different Vaccine](https://imageio.forbes.com/specials-images/imageserve/61226872f6329b8eb508ccdd/0x0.jpg?format=jpg&crop=3529,1985,x0,y0,safe&width=1200)