Pfizer believes a third dose of the COVID-19 vaccine will be required

Albert Bourla, the CEO of Pfizer, has hinted at the need for one third dose against coronavirus for vaccinated people“It’s probably somewhere in between 6 and 12 months after the second. And from there there will be one annual vaccinationBut all of this will have to be confirmed, ” the pharmaceutical company president said in an interview for CVS’s pharmacy chain that was taped in early April but aired this Thursday. Bourla said the scenario could change depending on the ability of drugs to treat the drug new variantsScientists fear that the new mutations of the coronavirus are resistant to immunizations.

The Pfizer vaccine has an efficiency of 92% appearance more severe cases of contamination by coronavirus, according to one of the largest studies conducted to date: that of the research institute of the health organization Clalit, the largest in the Israeli health systemThe company vaccinated half of its 1.2 million member companies and found the effectiveness of the protection at 600,000 immunized compared to the other unvaccinated half of the control group.

People who had COVID-19 would be immunized with a single dose of the Sputnik V vaccine

Pfizer announced that the immunity she had a window of six months after the injection of the second dose. The third flat tire should come after that semester. Modern, which uses technology similar to that of the vaccine Pfizer-BioNTech, also has a high return over the same period, it said The New England Journal of Medicine

David Kessler, the person responsible for managing the pandemic for the government of Joe Biden, also warned that on Thursday Americans should prepare for the possibility of third dose“At the moment we don’t know everything (…). We study the duration of the response of the antibodiesThe pediatrician said during a meeting with lawmakers. During the meeting, the official called on all Americans to continue vaccinating. “Nothing should distract them from the fact that they need to be vaccinated and that we have the adequate doses”, He stated, referring to the suspension of antidote injections Johnson & Jonhson for their possible links with cases of thrombi

The second wave of coronavirus is hitting Latin America hard

The United States will also follow infections in people who have completed both doses of the vaccine, depending on Rochelle Walensky, director of the Centers for Disease Control and Prevention (CDC). Of the 77 million immunized people in the United States, they are infected 5,800, of which 396 had to be hospitalized and 74 diedWalensky reported in an appearance before a subcommittee of the House.

The CEO of Pfizer said vaccination is an important tool to fight against variants of COVID that have been shown to be more contagiousThe pharmaceutical company has revealed in one of its studies that its drug is less potent against the mutation of the virus it comes from South Africa, which is already adding more than 300 cases in 25 states of the United States. The pharmaceutical company announced on February 26 that it has the option of injecting one third dose to try vaccinated people reinforcement of protection before these variants. Bourla then said that with this dose, the antibody response could be enhanced between 10 and 20 times, and stressed that it could become just as common as annual immunization against it complaint