Activity 3: Fill in the lacking words based on the stages of infection THE CHAIN LETTER"
is a disease-causing organism which includes bacteria, virus, parasitic wor
brotozoa, and fungi and lives in the (2)
which can be a living or non-living object
order to be transmitted the pathogen leaves the reservoir through the (3)
Examples include the mouth, nose, anus, and other special body openings. The pathogen is ti
passed through a direct or indirect (4)
from one host to the next host
ransmitted through a living vector like a mosquito or flea Some diseases like malaria !
omplicated life cycles involving more than one species. Some are transmitted by respira
roplets, while others are through blood contact, semen or other secretions. Hand-to-mouth
ommon mode for gastrointestinal pathogens. The organism enters the body through
such as the nose, skin, or mouth. The portal of entry determines the ty
ersonal protective equipment (PPE) to use to keep health care workers, family and visitors
the hospital. The (6)
is a person with low immunity to disease
cludes the very old, and the immune suppressed (due to genetics, transplant drugs, malnu
viral infection like HIV).​