WHO Provides Recommendations for Pfizer and BioNtech COVID-19 Vaccine


The international organization offers guidance on various groups and if they should be consider getting the vaccine.

who covid-19 vaccine guidance

The World Health Organization (WHO) announced today its recommendations on for whom vaccination should be considered.

Specifically, the WHO’s Strategic Advisory Group of Experts on Immunization (SAGE) offered their expertise to it and they listed a number of categories and groups of people who might be considering a COVID-19 vaccine.

The following is the organization’s breakdown of the different groups and the recommendations:

People with allergies

People with a history of severe allergic reaction to any component of the vaccine should not take it.

Pregnant and breastfeeding women

Pregnant women are at higher risk of severe COVID-19 than non-pregnant women, and COVID-19 has been associated with an increased risk of pre-term birth.

However due to insufficient data, WHO does not recommend the vaccination of pregnant women at this time.

In case a pregnant woman has an unavoidable risk high of exposure (e.g. a health worker), vaccination may be considered in discussion with their healthcare provider.

It is recommended to avoid pregnancy for 2 to 3 months post-vaccination.

If a breastfeeding woman is part of a group (e.g. health workers) recommended for vaccination, vaccination can be offered. WHO does not recommend discontinuing breastfeeding after vaccination.


The vaccine has only been tested in children above 16 years of age.

Therefore, at this time, WHO does not recommend vaccination of children below 16 years of age, even if they belong to a high-risk group.

People with known medical conditions

The vaccine has been found to be safe and effective in people with various conditions that are associated with increased risk of severe disease.

This includes hypertension, diabetes, asthma, pulmonary, liver or kidney disease, as well as chronic infections that are stable and controlled.

Further studies are required for the impacts on immune-compromised persons. The interim recommendation is that immune-compromised persons who are part of a group recommended for vaccination may be vaccinated, though when possible, not before receiving information and counselling.

Persons living with HIV are at higher risk of severe COVID-19 disease. Limited safety data exists on HIV-infected persons with well controlled disease from the clinical trials. Known HIV-positive vaccine recipients should be informed, and when possible, counselled in relation to the available data.

People who have or had COVID-19 already

Vaccination can be offered to people who have had COVID-19 in the past.

But given the limited vaccine supply, individuals may wish to defer their own COVID-19 vaccination for up to 6 months from the time of SARS-CoV-2 infection. As more data becomes available on duration of immunity after infection, this time period may be adjusted.

Testing for prior infection is not recommended for the purpose of vaccine decision-making.


At present, WHO does not support the introduction of requirements for proof of vaccination against COVID-19 for international travelers as a condition for exiting or entering a country or for traveling internationally.


A protective effect starts to develop 12 days after the first dose, but full protection requires two doses which WHO recommends be administered with a 21 to 28-day interval. Additional research is needed to understand longer-term potential protection after a single dose.

Vaccines will not end COVID-19 alone

Safe and effective vaccines will be a game changer: but for the foreseeable future we must continue to wear masks, physically distance, avoid crowds and apply other health measures. Being vaccinated doesn't mean that we can throw caution to the wind and put ourselves and others at risk, particularly because it is still not clear the degree to which the vaccines can protect not only against disease but also against infection and transmission.

What about other vaccines being developed to fight COVID-19

WHO does not usually make vaccine specific recommendations, issuing instead one recommendation that covers all vaccines for a given disease, unless the evidence suggests a different approach is required.

Due to the large variety of COVID-19 vaccines based on very different platform technologies, WHO is looking at vaccines are they are being authorised by highly competent national regulatory authorities and that are available in sufficient supply to address the needs of many countries.

WHO has no preferred product, and the variety of products, including their specific attributes and handling requirements, allow for countries to find the products that are most suitable for their circumstances.

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