Do we need a second booster after an outbreak of the Omicron Ghost BA.2 strain?

The “Medical Express” website revealed that while the ghost dynasty appears to be BA.2 Omicron is highly contagious, but it also appears to be less severe for most people. This means that the protection already provided by a complete vaccine regimen is sufficient to prevent infection, confirms Dr. Mansour Amiji, professor of pharmaceutical sciences and chemical engineering at Northeastern University.

He added, since the dynasty BA.2 With Omicron spreading all over the world, you may be wondering if you will need a second booster dose of the vaccine Corona؟

Amiji, citing two recent studies to support his first analysis, a new study, showed a relatively small increase in antibody production among young health care workers following a fourth “second booster dose” compared to 3 or 2 doses of a vaccine. mRNA In addition to a booster dose, the second study showed similar results.

Ameji emphasized, “The fourth dose, it seems, may be more protective, and the researchers recommended that for healthy adults, a fourth injection is not necessary at this time, they said..

About 48% of eligible American adults, or 93 million people, have received booster injections, according to the US Centers for Disease Control and Prevention. However, Moderna Corporation requested Modern and Pfizer, both of which are vaccine makers mRNA recently from the US Food and Drug Administration.FDAEmergency authorization for a second booster dose, Moderna requested Modern Emergency permission for all adults, while Pfizer seeks Pfizer- BioNTech For emergency clearance of a second booster for adults 65 years of age or older.

Dr. Amiji emphasized that the two companies are likely to take precautions once morest the possibility of new, more aggressive variants emerging during the summer and fall. Also, recent data shows that protection once morest the Corona virus may wane over time, which is a particular concern for people at greater risk of infection and disease. serious.

Moderna officials explained Modernthey are seeking broader authorization so that public health authorities at the federal Centers for Disease Control and Prevention, as well as physicians and health care providers, can determine the appropriate use of the fourth dose for people at greater risk of infection or serious illness..

He said it was likely that people over 65 and immunocompromised people would need a second booster dose as the variant spread. BA.2 to the United States. For younger people, whether a second booster dose – or an annual shot like the flu shot – is necessary will depend on how much protection from the first three doses diminishes over time..

He stressed that with the spread of the Corona epidemic, public health and health care officials will need to continue to monitor the severity of the new viral strains, but it is likely that recommendations for further vaccination will come on a case-by-case basis, not the mass vaccination and promotion campaigns that have identified the pandemic so far..

“I hope that when autumn comes, not everyone will need to be vaccinated once more,” he said, “you will be able to determine if it is right for you.”.”

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