It Will Now Be Vaccine Cocktail Time! We Can Mix & Match Suggests NACI

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Peel Region charts out its mass vaccination plan

OTTAWA: The National Advisory Committee on Immunization (NACI) has updated its recommendations on the interchangeability of #COVID19 vaccines for second doses, following studies from Germany, the U.K., and Spain.

Health Canada and Public Health Agency of Canada said that completing your vaccine series by getting your second dose is important to achieve optimal and longer-lasting protection against COVID-19.

If you received a first dose of the AstraZeneca (COVISHIELD) #CovidVaccine, NACI recommends that you receive either the same vaccine or an mRNA vaccine (Pfizer-BioNTech, Moderna) for your second dose.

NACI’s published report says AstraZeneca recipients can be offered the same COVID-19 vaccine if they want it, or can be given either Pfizer or Moderna for their second shot. Combining similar vaccines from different manufacturers in a series is not a new concept.

Different vaccine products have been safely and effectively used to complete vaccine series for influenza, hepatitis A, and others. Individuals are encouraged to speak with a health care professional for help understanding the options available to them so that they can make an informed decision on their vaccination.

NACI’s guidance also advises that the Pfizer and Moderna COVID-19 vaccines can be safely interchanged for first and second doses if the original mRNA vaccine is not readily available.

Canadians who received a first dose of an mRNA vaccine should be offered the same mRNA vaccine for their second dose. If the same mRNA vaccine is not readily available, another mRNA vaccine can be offered instead to complete the vaccine series.

NACI said it considered the possibility of increased shortterm side effects when using mixed COVID-19 vaccine schedules before making the recommendations.

NACI added: “study on the immune responses produced using mixed COVID-19 vaccine schedules provide the evidence for vaccine interchangeability – a study from Germany and a clinical trial from the United Kingdom report on the safety of mixed schedules, and a Spanish trial reports both the safety and immune responses produced from mixed COVID-19 vaccine schedules.”

TORONTO: The Ontario government, in consultation with the Chief Medical Officer of Health and other health experts, is providing updated guidance on the vaccine recommendations..

Dr. David Williams, Chief Medical Officer of Health, said: “We are providing individuals who have received only their first dose of the AstraZeneca vaccine with two recommended options based on the available data and evidence and will continue to work with Health Canada to monitor the quality and efficacy of all COVID-19 vaccines being used in Ontario.”

Effective June 4, 2021 and in alignment with NACI’s recommendation, Ontarians who have received their first dose of the AstraZeneca COVID-19 vaccine can choose to either receive a second dose of the AstraZeneca vaccine, or an mRNA (Pfizer or Moderna) vaccine for their second dose. These second dose options will be provided at the recommended 12-week interval.

Beginning June 4, 2021, individuals who received their first dose of the AstraZeneca vaccine 12 weeks ago and who would like their second dose of the AstraZeneca vaccine, can contact the pharmacy or primary care provider where they received their first dose to book an appointment.

Individuals who received their first dose of the AstraZeneca vaccine and are opting to receive an mRNA vaccine have the option to schedule their second dose appointment at a participating pharmacy where the Pfizer or Moderna vaccines are administered. Primary care settings and pharmacies may also be reaching out to eligible Ontarians.

In addition, expected the week of June 7, 2021, individuals who received their first dose of the AstraZeneca vaccine and who choose to receive an mRNA vaccine for their second dose can register for a “second dose only” at a 12-week interval through the provincial booking system. Eligible individuals will also be able to schedule their second dose appointment directly through public health units that use their own booking system.

• As of June 2, 2021, at 8:00 p.m., over 9.4 million vaccine doses have been administered across the province, with more than 94 per cent of Ontario residents aged 80 and over and 91 per cent of residents aged 70 to 79 having received at least one dose. More than 69 per cent of the population aged 18 and over and more than 26 per cent of youth aged 12 to 17 have received at least one dose. More than 834,900 Ontarians are fully immunized, including 98 per cent of long-term care residents.

• Ontario expects to receive approximately 4.7 million doses of the Pfizer COVID-19 vaccine in June and approximately 3.54 million doses in July. This steady and reliable supply of vaccines has allowed the province to rapidly expand access to vaccines in all public health units and through various channels, including mass immunization clinics, hospital clinics, pharmacies and primary care settings, providing convenient access across Ontario.

• Timing of second dose appointments may vary based on local considerations, vaccine supply and the date of an individuals first dose appointment. In addition, high-risk health care workers, individuals with certain health conditions and First Nations, Inuit and Métis individuals will continue to be eligible to receive their second dose at a shortened interval.

• Eligible groups can use Ontario’s vaccine booking system to find out how to schedule an appointment, or can call the Provincial Vaccine Booking Line number at 1-833-943-3900.For general inquiries, individuals can call the Provincial Vaccine Information Line number at 1-888- 999-6488 or TTY service is also available by calling 1-866-797- 0007. The provincial booking system notes which clinics are not offering vaccines for those who are aged 12 to 17 years old.

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