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the vaccine for Covid made by Pfizer BionTech and finally arrived in italy and today, Sunday, December 27, the first vaccinations began. Along with vaccines,AIFA – Italian drug agency – also announced the user information of the Pfizer-BionTech vaccine, which is the document that clarifies the administration but also in possible side effects.
Thanks to the publication of Pfizer-BionTech Vaccine Brochure we finally know how each phase of vaccination will work, as well as which possible risks who gets vaccinated. On the other hand, it is true that experts have guaranteed that the vaccine is safe, but as with any drug, there are still minimal percentages of contraindications.
In this sense, let’s see what we know about the Covid vaccine that in these hours has begun to be administered to the first Italians (with the vaccination campaign itself from January).
Covid vaccine, package insert: general information for injection
AIFA recalls that the vaccine, intended for citizens of 16 years or older, it is administered in two stages:
- the first day there is an intramuscular injection of 0.3 milliliters;
- the second injection is scheduled at least 21 days after the first; Attention, since there is no data on the interchangeability of the vaccine manufactured by Pfizer with those of other pharmaceutical companies, it is important that the second dose is of the same type to complete the vaccination cycle.
The preferred injection site is the deltoid muscle in the upper arm.
Covid Vaccine, Package Leaflet: Storage Information
As is known, one of the greatest difficulties of the vaccination campaign is that of vaccine storage. This, in fact, should be kept in the freezer at a temperature between -90 ° and -60 °, in the original packaging. During storage, exposure to direct sunlight and ultraviolet light should be minimized.
The vial must be thawed before dilution; for this reason the vials must be transferred to an environment at a temperature between 2 and 8 ° and to thaw them will take at least 3 hours (alternatively, for immediate use, the vials can be placed for half an hour at a temperature of 30 °).
Covid vaccine, package leaflet: information on efficacy
The data on the duration of protection offered by the vaccine, as they are still ongoing clinical studies aimed at establishing this. And, as with all vaccines, this could also be ineffective towards some issues.
It must also be said that for complete protection it will be necessary wait at least 7 days of the administration of the second dose; This means that before 30 days from the administration of the first dose, you will not be covered enough to ensure that you do not contract Covid.
Covid Vaccine: Precautionary Information
Before proceeding with the vaccination you must ensure health status of the person. In fact, it is not possible to vaccinate those affected by a severe acute febrile state or an acute infection; however, postponement of vaccination does not imply the presence of a mild infection or mild fever.
After vaccination a careful monitoring for at least 15 minutes. There is also an indication not to administer the second dose of the vaccine to subjects who have experienced anaphylaxis (allergic reaction) with the first dose.
Post-vaccination follow-up is important as they can occur shortly after administration. anxiety-related reactions, such as vasovagal reactions (syncope) and hyperventilation, or stress-related reactions, as a psychogenic response to needle injection.
In this sense, it is very important to take precautions to avoid fainting injuries.
Covid vaccine: side effects
According to what can be read in the AIFA leaflet, the vaccine should not affect in any way the ability to drive or use other machines; however, there is a risk that some side effects it may momentarily affect your abilities in this regard.
But what are the unwanted effects? According to studies carried out, compared to a clinical study involving 21,744 people, the most frequent reactions were the following:
- pain at the injection site (in less than 80% of cases);
- fatigue (in less than 60% of cases);
- headache (in less than 50% of cases);
- myalgia and chills (in less than 30% of cases);
- arthralgia (in less than 20% of cases);
- pyrexia and swelling at the injection site (in less than 10% of cases).
However, there is nothing to worry about as such reactions have been usually mild in intensity and if they are solved in a few days of vaccination. However, according to the study, side effects are more frequent as the vaccinated patient ages.
Covid vaccine: is it safe for pregnant women?
The data on pregnant women They are found in a limited number, but animal studies do not indicate direct or indirect side effects on it. In any case, it is advisable to administer the vaccine during pregnancy only if “the potential benefits outweigh the potential risks to mother and fetus”.
For this reason, at the time it was decided that the vaccine cannot be administered pregnant and lactating women.
