The mixed or bivalent vaccine against COVID-19 is a two-component mixture between the original virus strain and the omicron variant strain, which aims to provide broad and better protection against the coronavirus; such FDA bivalent vaccines may also be referred to as the “refresh” booster dose of the COVID-19 vaccine.
The above mixed vaccine was approved by United States Food and Drug Administration (FDA, for its acronym in English) which explains that the virus that causes COVID-19 changes over time for this reason it is necessary to keep protection updated by receiving an updated booster dose of the vaccine.
Mixed vaccine: what is its effect on people?
The US public health authority said the effect of the mixed or bivalent vaccine in people was similar to leading Covid-19 vaccines, and says people injected with the aforementioned dose generated a stronger immune response than the vaccines first generation.
Pfizer bivalent vaccine in Panama
Recently, the The President of the Republic, Laurentino Cortizo, has approved the purchase of the mixed vaccine against the disease of the pharmaceutical company Pfizer, which according to the Ministry of Health (MINSA) could arrive during the first three months of 2023.
The Minister of Health clarified that these bivalent vaccines will only be applied to people who have at least two or three doses of the covid-19 vaccine, in order to obtain protection for at least one year against variants of the virus.