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Insects and pandemics

Printed From: Avian Flu Talk
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URL: http://www.avianflutalk.com/forum_posts.asp?TID=44925
Printed Date: April 27 2024 at 1:21am

Topic: Insects and pandemics

Posted By: Dutch Josh
Subject: Insects and pandemics
Date Posted: August 12 2022 at 10:56pm

DJ;

[url]https://www.coronaheadsup.com/health/monkeypox/research-monkeypox-spread-by-flies/[/url] or https://www.coronaheadsup.com/health/monkeypox/research-monkeypox-spread-by-flies/ - https://www.coronaheadsup.com/health/monkeypox/research-monkeypox-spread-by-flies/ ;

“We identify the circulation of at least two distinct monkeypox virus lineages and document the shedding of infectious particles in faeces and flies, suggesting that they could mediate indirect transmission”.

“To explore alternative pathways for indirect MPXV transmission, we also trapped flies during two outbreaks. In the outbreak in the north community, MPXV DNA was detected in maggots present on the corpse, in 1 out of 8 flies collected around it, and in all 12 swabs taken from leaves where flies had regurgitated/defaecated in proximity of the carcass.”

Nature article: Monkeypox virus emergence in wild chimpanzees reveals distinct clinical outcomes and viral diversity

and [url]https://www.coronaheadsup.com/coronavirus/house-flies-can-carry-sars-cov-2-coronavirus-up-to-24-hours-after-exposure/[/url] or https://www.coronaheadsup.com/coronavirus/house-flies-can-carry-sars-cov-2-coronavirus-up-to-24-hours-after-exposure/ - https://www.coronaheadsup.com/coronavirus/house-flies-can-carry-sars-cov-2-coronavirus-up-to-24-hours-after-exposure/ ; (april 28-2021 article)

“All flies exposed to SARS-CoV-2-spiked media or milk substrates were positive for viral RNA at 4hr and 24hr post-exposure. Infectious virus was isolated only from the flies exposed to virus-spiked milk but not from those exposed to virus-spiked medium. Moreover, viral RNA was detected in environmental samples after contact with SARS-CoV-2 exposed flies, although no infectious virus was recovered from these samples.”

Preprint: Mechanical transmission of SARS-CoV-2 by house flies

DJ...[url]https://en.wikipedia.org/wiki/Plague_(disease)#Cause[/url] or https://en.wikipedia.org/wiki/Plague_(disease)#Cause ;

Transmission of Y. pestis to an uninfected individual is possible by any of the following means:^{https://en.wikipedia.org/wiki/Plague_(disease)#cite_note-PM-18" style="text-decoration: none; color: rgb(6, 69, 173); background: none; - [18]}

Yersinia pestis circulates in animal reservoirs, particularly in rodents, in the natural foci of infection found on all continents except Australia. The natural foci of plague are situated in a broad belt in the tropical and sub-tropical latitudes and the warmer parts of the temperate latitudes around the globe, between the parallels 55 degrees North and 40 degrees South.^{https://en.wikipedia.org/wiki/Plague_(disease)#cite_note-PM-18" style="text-decoration: none; color: rgb(6, 69, 173); background: none; - [18]} Contrary to popular belief, rats did not directly start the spread of the bubonic plague. It is mainly a disease in the https://en.wikipedia.org/wiki/Flea" style="text-decoration: none; color: rgb(6, 69, 173); background: none;" title="Flea - fleas ( https://en.wikipedia.org/wiki/Xenopsylla_cheopis" style="text-decoration: none; color: rgb(6, 69, 173); background: none;" title="Xenopsylla cheopis - Xenopsylla cheopis ) that infested the rats, making the rats themselves the first victims of the plague. Rodent-borne infection in a human occurs when a person is bitten by a flea that has been infected by biting a rodent that itself has been infected by the bite of a flea carrying the disease. The bacteria multiply inside the flea, sticking together to form a plug that blocks its stomach and causes it to starve. The flea then bites a host and continues to feed, even though it cannot quell its hunger, and consequently, the flea vomits blood tainted with the bacteria back into the bite wound. The bubonic plague bacterium then infects a new person and the flea eventually dies from starvation. Serious outbreaks of plague are usually started by other disease outbreaks in rodents or a rise in the rodent population.^{https://en.wikipedia.org/wiki/Plague_(disease)#cite_note-19" style="text-decoration: none; color: rgb(6, 69, 173); background: none; - [19]}