About three months after the Ministry of Health declared the end of a public health emergency of national importance caused by Covid-19, Brazil confirmed its first case of monkeypox (monkeypox) in São Paulo.
since then, The number of patients diagnosed with the disease continues to increase. Commenting on this growth, even without a direct relationship to the coronavirus, began on social media and sparked some speculation, such as that the monkeypox virus could be linked to vaccines applied against Covid-19.
It is worth noting that although this is the first time that monkeypox has reached Brazil, this is not the first recorded outbreak of the disease. The monkeypox virus was already considered endemic in some African countries.
According to the World Health Organization (WHO), Nigeria, for example, has recorded more than 500 suspected cases and 200 confirmed cases of the disease since 2017.
The virus got its name because it was first discovered in monkeys in 1958. The first human case of infection occurred only in 1970, in the Democratic Republic of the Congo.
“Monkeypox has nothing to do with vaccines For one simple reason, since its discovery, when the first human cases occurred, the number of cases has been increasing every decade. then, This virus is old‘,” says Alimão Hospital Infectious Disease Scientist Oswaldo Cruz, Stefan Cunha.
What is new in the current outbreak is the large number of infections, which, according to the World Health Organization, totaled more than 36 thousand infections in 89 countries, in addition to the new characteristics of symptoms. This situation is different from the coronavirus pandemic, which has caused an entirely new boom.
Kona explains: “The Covid-19 coronavirus is a coronavirus that harbored a bat, as it harbors many coronaviruses, and it has mutated and has the ability to reach humans and pass from humans to humans, so it’s a new virus.”
Covid vaccines did not ‘create’ monkeypox
The spread of Covid-19 has required the creation of instant vaccines with various technologies, including Pfizer, which uses messenger RNA, and CoronaVac, which relies on the inactivated virus.
AstraZeneca, in turn, chose to build the vaccine based on the adenovirus and was developed by modifying the virus that causes the common cold in chimpanzees — information that has been falsely linked to monkeypox.
However, the AstraZeneca vaccine is unrelated to the primates that were thought to be the first recipients of monkeypox, not least because the main candidates for the monkeypox reservoir are rodents, such as squirrels, from the forests of Africa.
In addition, the adenovirus has been genetically modified so that it cannot reproduce in the human body, its function is only to transmit genetic instructions to the vaccine cells, so that it can produce its own immune response against the Corona virus.
Like other viral vaccines used, for example, in the Ebola outbreaks in West Africa and the Democratic Republic of the Congo, AstraZeneca adenovirus is not able to contaminate the body of a vaccinated person.
In addition, the quality and safety of existing laboratories was evaluated by regulatory bodies, such as Anvisa (the National Health Surveillance Agency) and EMA (the European Medicines Agency), which verified contamination with vaccines approved for use.
“When making today’s vaccine, we are completely safe in terms of contamination and eliminate any contaminating component [o imunizante]. then, The emergence of monkeypox has absolutely nothing to do with the Covid vaccineCunha says.
* Trainee in R7 Under the supervision of Hisabella Conrado.
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