To my knowledge no booster is approved for use within 6 months of another shot, and 6 months is overkill unless you're extremely high risk, e.g. in the "still wiping down door dash deliveries with bleach wipes" kind of high risk.
> To my knowledge no booster is approved for use within 6 months of another shot
Government recommends booster after five to six months in my country. To clarify, they do not yet recommend boosters to the end of time, just a booster after the second.
> 6 months is overkill unless you're extremely high risk
They're recommending mRNA boosters 2 months after the J&J or AZ shots, and the CDC recommendation is now 6 months for everyone who got the 2-dose mRNA.
"All adults in the United Kingdom will be able to get their booster Covid-19 vaccine doses three months after their second shot, the government indicated on Monday, in a dramatic acceleration of the country's inoculation drive that comes amid fears over the Omicron variant."