However, people who have been infectedCOVID-19 before and receivedIntensive vaccinePreventing strains of COVID-19 Omicron, 1 dose will have better immunity to BQ.1.1. Natural immunity from BQ.1.1 infection is 4 times higher than that of the Omikron group compared to people who have never been infected before.covid mutantafter
The mutated virus BQ.1.1 become a virus that spreads insideUnited States and accounted for a 32% infection rate among all viruses.Omicron BA.5 In other countries, the infection rate is 14% of new infections.
In addition, scientists have discovered booster vaccine Resistance to the mutant COVID virus XBB.1 have the least Because the vaccine produced eight times less immunity against it than against Omikron.
However, people who have been infected with COVID Those who have received three booster doses of the vaccine will have better immunity against the XBB.1 mutant virus than those who have never been infected.
sideAntonio Fauci White House chief medical adviser said in November that the BQ.1.1 COVID-19 virus booster vaccine only slightly. And the efficiency of XBB antivirus has been reduced several times.
The study results fromUS Centers for Disease Control and Prevention (Center for Disease Control and PreventionLast week, 42% of US adults were infected with COVID-19. The data was collected from blood samples of adults in August. 2021 until May 2022
Research findings from the University of Texas. Study from blood samples of people who have never been infected with COVID before. And received Omikron virus booster vaccine, 29 people, who have never been infected with COVID And 23 people received general COVID booster, 25 people received general vaccine booster doses 4. Blood samples were collected 14-32 days after test subjects received the Omikron booster vaccine and collected 23-94 days after the fourth vaccination dose.
Correct… Suree Silawong
