Each group will read the "chain letter" and fill-in the blanks with the correct word.

Start to answer when you hear the bell and stop when you hear the word "time is up." All groups will submit their papers after 5 minutes of answering. Exchange papers and check the answers as the class goes over the letter. The teacher will clarify misconceptions as the need arises. "THE CHAIN LETTER" (1)

P is a disease-causing organism which includes bacteria, virus, parasitic worm, protozoa, and fungi and lives in the (2) R which can be a living or non-living object. In order to be transmitted, the pathogen leaves the reservoir through the (3) P 0 E Examples include the mouth, nose, anus, and other special body openings. The pathogen is then passed through a direct or indirect (4) M______of T. from one host to the next host. It is transmitted through a living 173 vector like a mosquito or flea. Some diseases like malaria have complicated life cycles involving more than one species. Some are transmitted by respiratory droplets, while others are through blood contact, semen, or other secretions. Hand-to-mouth is a common mode for gastrointestinal pathogens. The organism enters the body through the (5) P Such as the nose, skin, 0 E or mouth. The portal of entry determines the type of personal protective equipment (PPE) to use to keep health care workers, family, and visitors safe in the hospital. The (6) S_ _H_ is a person with low immunity to disease. This includes the very old, and the immune suppressed (due to genetics, transplant drugs, malnutrition, or viral infection like HIV)

. -Michelle Ziegler, Contagions, wordpress.com​