Following the
The posts include images of what appear to be the package insert from the vaccine developed by
We take a look at what monkeypox is and why "chimpanzee adenovirus" appears on the package insert of
Monkeypox isn't an adenovirus and chimpanzees aren't monkeys
Monkeypox is not a new disease. It causes fever, intense headache, aches and pains, as well as a distinctive rash. According to the
Despite its name, it has been found in a wide variety of animals including rodents, such as certain species of squirrels and rats, and primates, a group which includes humans and, of course, monkeys.
Like humans, chimpanzees are primates, not monkeys. Humans and chimpanzees fall into a category of primates called apes.
Monkeys have tails, narrow chests and other characteristics which neither humans nor chimpanzees do. Apes lack tails, but have appendixes and more complex brains than monkeys.
And just as chimpanzees aren't monkeys, monkeypox has nothing to do with chimpanzee adenovirus.
The virus which causes monkeypox belongs to the family Poxviridae, which also includes the now-eradicated smallpox virus. This is separate from the Aadenoviridae family, which includes viruses that cause pneumonia, certain types of conjunctivitis, and other diseases.
The 2022 monkeypox outbreak has nothing to do with Covid-19 vaccines.
Vaccine uses an ingredient adapted from actual chimpanzee virus
As
ChAdOx1 acts as a delivery system for a vaccine's active ingredient, the part of the vaccine which has a biological effect. It is this part of the vaccine which is made from a chimpanzee adenovirus.
As we said before, ChAdOx1 was created in 2012 and trialled in 2014 with the intention of creating more effective flu vaccines.
In the original human trial of the vector, the authors explained that they used a modified chimpanzee virus because there was widespread resistance to similar human viruses. A vaccine made using a similar human virus as a vector was likely to be destroyed by a person's immune system before the vaccine could be fully effective.
The chimpanzee virus used to make ChAdOx1 has been altered so that it is harmless and cannot replicate.
Monkeypox not expected to become pandemic
The
The 2022 outbreak has been limited mostly to European countries. A
As of 26 May, the
This serves as further evidence that the outbreak is not connected to the AstraZeneca Covid-19 vaccine. The organisation Our World in Data indicates that as of 1 June, over 67 million doses of the
An analysis of the same data by the New York Times shows that this vaccine has been administered in 184 countries, more than any other vaccine against Covid-19. This is in stark contrast to the monkeypox outbreak, which has been limited both in number of cases and geography.
There is no link between any vaccines against Covid-19 and the disease monkeypox.
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