how are the following diseases transmitted: (a) malaria (b) common cold (c) tetanus (d) typhoid
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Answer:
commmon cold.
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a. malaria - • By animal or insect bites or stings.
• By blood products (unclean needles
or unscreened blood).
b. common cold - • By airborne respiratory droplets (coughs or sneezes).
• By skin-to-skin contact (handshakes or hugs).
• By saliva (kissing or shared drinks).
• By touching a contaminated surface (blanket or doorknob).
c. tetanus - • Tetanus is different from other vaccine-preventable diseases because it does not spread from person to person. The bacteria are usually found in soil, dust, and manure and enter the body through breaks in the skin — usually cuts or puncture wounds caused by contaminated objects.
d. typhoid - • Through contaminated food or water