Horizontal transmission is the only form of transmission that can be transmitted from and infected human to ansusceptible.
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the transmission of the causative organism through the environment from the feces of an infected person to the GIT of a susceptible host
It's called a direct transfer transmission. It involves contact of an infected person with a susceptible person and the physical transfer of organisms.
Everyone is susceptible.
Any one can be infected with Whooping Cough/Pertussis. Babies are the most susceptible though.
No. Aids is caused by the transmission of blood or semen from an infected individual and "dry humping" is by definition dry, with no fluid exchange.
Although premature infants are more susceptible to GBS, 75% of infected infants are full-term.
Once infected, an individual is immune to reinfection.
Visitors to a MRSA patient be infected if precautions are not taken, and a visitor with a cut in their skin is especially susceptible to contracting the infection.
bloodborne transmission
Not unless the virus on the pork was inhaled and it was a strain to which the individual was susceptible Normally you would only eat cooked pork, so any virus would be dead.
transmission to humans or animals is usually through the bites of infected rodent fleas
It is hard to say how many people with HIV are infected with the flu every year. That statistic may not be being kept. HIV infection does make a person more susceptible to infections. There are many factors that play into flu infection, including hand washing and exposure to the public. These conditions vary greatly on an individual basis.