GENEVA: Mixing and matching Covid-19 vaccines from completely different producers is a “harmful development” and will result in chaos as there’s restricted knowledge on it on the observe, World Well being Organisation (WHO) chief scientist Soumya Swaminathan stated on Monday.
Addressing a Covid-19 media briefing, Swaminathan stated, “Actually wish to warning people, as a result of there’s a tendency now for folks in international locations which sufficient availability of vaccines to voluntarily begin pondering.”
“So it is slightly little bit of a harmful development right here the place we’re in a data-free evidence-free zone so far as a mixture and match there’s restricted knowledge on combine and match. There are research occurring, we have to await that,” she added.
On the query of booster photographs, WHO chief scientist stated it will likely be a chaotic scenario in international locations if residents begin deciding when they need to be taking a second, or a 3rd, or a fourth dose.
“Now we have 4 international locations which have introduced a booster program, and some extra which might be desirous about it. If 11 excessive and upper-middle-income international locations determine to a few of them are giant international locations that they may go for a booster for his or her populations and even subgroups. It will require a further 800 million doses of vaccine.”
Stressing on the necessity to prioritise vaccines, Swaminathan stated there are nonetheless international locations the place the frontline and well being care staff haven’t been vaccinated and the aged and the weak.”
The world has to this point witnessed over 186 million instances and 4 million deaths because of the virus, in line with the Johns Hopkins College’s knowledge.