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Doctor insights on: Gerns That Infect Both Humans And Pets

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Silly question- can down feathers in pillows carry germs/diseases that can live/transmit to humans such as streptococcus pneumoniae?

Silly question- can down feathers in pillows carry germs/diseases that can live/transmit to humans such as streptococcus pneumoniae?

The filling for: pillows (even down or feathers) goes through a sterilization process before being sold. If you are referring to a used pillow that someone else had been using, it would be potentially possible to transmit infection however in the absence of moisture it is unlikely that bacteria like strep pneumoniae would survive long enough to be transmitted. ...Read more

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How do viruses (h5n1) transmit from the animals to the humans?

How do viruses (h5n1) transmit from the animals to the humans?

Personal contact: Research is incomplete, but so far transmission to humans from animals (mostly birds) has been uncommon (happily) and mostly personal contact. Airborne transmission does not seem important at this time, but there is fear this could change if the virus mutates. If so, and if highly transmissible (i.e. infection by only a few virus particles), the world could see major epidemics. Fingers crossed! ...Read more

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Will new zoonotic diseases that jump from animal to human cause the extinction of all mankind in the future?

Will new zoonotic diseases that jump from animal to human cause the extinction of all mankind in the future?

Plague: Anything is possible. You're question may be more entertainingly answered by Michael Crichton, who is a medical doctor, by the way. ...Read more

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Are any human diseases transmittable through mosquitos? From human to mosquito then back to human?

Are any human diseases transmittable through mosquitos? From human to mosquito then back to human?

Mosquito to Human: transmission. Depending on where one is, mosquitoes can be a link to diseases such as Dengue Fever, Malaria, Yellow Fever, West Nile viruses & encephalitis. West Nile, encephalitis viruses & Dengue Fever (rare) can be found in the US. ...Read more

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If humans evolved from apes.Why human body is not as strong as apes or chimpanzees?How to make our bodies(bones and muscles) stronger?

If humans evolved from apes.Why human body is not as strong as apes or chimpanzees?How to make our bodies(bones and muscles) stronger?

Apes/chimps: Humans are not apes or chimps! Yes, they are strong but would have little to do with you. At your age I strongly recommend you go to a nearby training program. You will be pleasantly surprised and let many of your friends know how good and straightforward it is. ...Read more

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Why does consuming the flesh of another human make us ill and catch kuru but we can still eat other animals?

Why does consuming the flesh of another human make us ill and catch kuru but we can still eat other animals?

Kuru: Kuru has been spread through funerary cannibalism in the Fore tribe. The prion that causes this spongiform encephalopathy is found in humans. Evidently other primates are capable of being infected. ...Read more

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Can children and dogs pass ringworms to each other?

Can children and dogs pass ringworms to each other?

Ring worm: Ringworms are not worms but is a fungus infection located on the skin. The infection can be passed from animal to child and vice versa. See your doctor or your vet if you suspect ringworm infection of the skin. ...Read more

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What are some common genera of pathogenic bacteria that have no species found in the human body naturally? Borrelia? Brucella? Yersinia? Mycoplasma?

What are some common genera of pathogenic bacteria that have no species found in the human body naturally?  Borrelia? Brucella? Yersinia? Mycoplasma?

The Microbiome... : Great thought question. However, you are assuming we know all the community of species of bacteria in the body (aka. The microbiome). Recently, we have discovered thousands of genera in our body through molecular techniques (most don't even have a name yet). Though it's tempting to generalize, the question you pose can't be answered with any reliability with what we know today. ...Read more

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Can animals such as cats carry streptococcus pneumoniae and give it to a human causing bacteremia?

Can animals such as cats carry streptococcus pneumoniae and give it to a human causing bacteremia?

It's normal flora: I usually carry it in my own throat when I've checked it. When it makes is sick, it's somehow gotten out of control. Nobody really understands how it happens, but don't worry about "catching" it. Best wishes. ...Read more

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Are all bellybuttons proportionally in the same spot across the human species? Can you share some sources?

Are all bellybuttons proportionally in the same spot across the human species? Can you share some sources?

Apparently.: There are no studies that say differently. There are congenital deformities that may affect location and appearance., some may have increased incidence in certain populations. Good question, but I can find nothing suggesting any differences, based on ethnicity. ...Read more

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Can rabbis be passed human to human in ways besides biting?

Can rabbis be passed human to human in ways besides biting?

Rabies infection: The cdc states: all species of mammals are susceptible to rabies virus infection, but only a few are reservoirs for the disease. Distinct strains of rabies have been identified in raccoons, skunks, foxes, coyotes and several species of insectivorous bats. Transmission of rabies begins when infected host saliva is passed to an uninfected animal through a bite or mucous membranes, eyes, or mouth. ...Read more

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If cold/flu transmit via "aerosolized", then why do some people not get infected when living with those afflicted in close quarters? Are they immune?

If cold/flu transmit via "aerosolized", then why do some people not get infected when living with those afflicted in close quarters? Are they immune?

Immune resistant: Some people are have had prior exposure to the virus and may be immune. It is also possible that they have a high resistance. Other people may contract the same virus but display few symptoms. ...Read more

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Do doctors believe we humans evolved from a common ancestor of apes and humans?Will we evolve into other forms in future?

Do doctors believe we humans evolved
from a common ancestor of apes and humans?Will we evolve into other forms in future?

Some do, some don't: Doctors are like other people, in that some believe we evolved from a more primitive species, but others believe we were created as modern humans. In either case, we have been evolving and will continue to evolve, ever since the days of the first humans. Doctors who believe we were created as humans, see that we are evolving, but just into slightly different humans, not into another species. ...Read more

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Do hamsters carry diseases that are harmful to humans?

Do hamsters carry diseases that are harmful to humans?

Rare but can happen.: Hamsters can directly or indirectly transmit Rabies, Tularemia, Salmonellosis, Lymphocytic choriomeningitis virus, Dermatophytosis (ringworm, dermatomycosis), Rodentolepiasis and Hymenolepiasis (tapeworms). ...Read more

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Can you tell me how antibiotics used in animals and agriculture lead spreads of resistant strains to human populations?

Can you tell me how antibiotics used in animals and agriculture lead spreads of resistant strains to human populations?

Two ways: Giving antibiotics to animals will kill many bacteria, but resistant bacteria will survive and multiply. When the animal is slaughtered and processed, these bacteria can contaminate meat and humans who handle it. Also, bacteria can reach the environment/water and plants via animal feces, which we can then ingest. This way we "inherit" the resistant organism. ...Read more

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Are humans the only animals that suffer from mental disorders?

Are humans the only animals that suffer from mental disorders?

Maybe, maybe not: It would be hard to definitively document in animals, the same symptoms humans suffer. Diagnosis in humans requires a great deal of communication about complex experiences. Our language and understanding fail us, with animals. Still, seeming anxiety and repetitive behaviors show up in pets and other animals in captivity -- birds pulling out feathers, acral lick dermatitis & granulomas in dogs. ...Read more

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Are there any nurtients in human excrement?

Are there any nurtients in human excrement?

Yes: Human excrement used to be a source of fertilizer for gardens and plants. Not very aesthetic however. Excrement is a complex mixture of bacteria, other organisms, fibers and many chemicals some of which have nutrient capability. Not a useful part of the diet however. ...Read more