Finnish nurse cuts additional vaccine doses utilizing air bubble method

(Corrects to determine the speaker within the final paragraph)

By Essi Lehto

HELSINKI (Reuters) – Finnish nurse Sari Roos teaches colleagues a vaccination method that enables her to extract extra doses from COVID-19 vaccine vials, serving to to stretch scarce shares and guarantee extra individuals may be vaccinated.

Its air bubble trick extracts an elusive seventh dose from Pfizer’s vaccine vials – yet another than the six accredited by the European well being regulator that may usually solely be withdrawn with a needle and syringe. particular.

These “low useless area” taking pictures utensils are uncommon, making Roos’ trick all of the extra useful as nations search to guard individuals from new, extra infectious strains of coronavirus which are spreading a 3rd wave of an infection.

Roos’ method, just like that utilized in Denmark, begins by aspirating vaccine liquid, then pushing it again into the vial to take away air from the syringe. She then withdraws the precise dose and completes it with sterile air from the vial.

The dose is then injected with minimal waste.

“The aim of the air is to push all of the liquid into the affected person from the needle and shut the injection channel in order that he doesn’t bleed,” Roos informed Reuters at Laakso Hospital. ‘Helsinki the place she works as a nurse in coaching.

Its success has caught the eye of colleagues at house and overseas who’re eager to get extra doses from every vial.


Tuija Kumpulainen, head of the well being and security unit at Finland’s well being ministry, says taking additional doses is secure when carried out precisely.

“Certified specialists can get extra doses, however they even must guarantee that no liquid stays within the gear, which implies the dose could be too small,” Kumpulainen informed Reuters.

Though the method is just not simple and doesn’t work each time, it additionally permits 12 doses to be withdrawn from the 10-dose vials of AstraZeneca and Moderna – the opposite two injections accredited to be used within the European Union. .

“The variety of additional doses is critical,” says Jutta Peltoniemi, an infectious illness physician from town of Turku in southwestern Finland.

“Think about that you simply had been one of many further people who we vaccinated at this time in Helsinki and who, with out this system, would have needed to wait? These additional doses save lives, ”says Roos.

(Report by Essi Lehto, edited by Douglas Busvine and Gareth Jones)

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