hi friends it's me amber the sister of dr skittles well dr skittles is not here because i was quarantined so he is not with me today i will tell you what happened it was last month when i developed the following symptoms my family quarantined me in one of our rooms as per the instruction of our doctor well it got worse that's why my parents decided to bring me to the nearest hospital the hospital staffs were notified early about my symptoms that is why when i met them they were wearing a full personal protective equipment and advised my parents to also quarantine at home i was put at a quarantine facility i was so scared since i was left alone i have no one to talk to during that time the doctor says i need to rest well the doctor confirmed that i acquired coronavirus the reason why we are at home and can't go out right now what did i do while i got it you asked you see months before i got sick my friends and i decided to go out and meet it's been months since we last see each other honestly if i know that i will get sick because of that i will not go out anymore we met at the one of our friend's house we had a small party just for all of us and because it's a party we didn't wear face mask or anything that could prevent us from getting the virus little did we know that one of our friends is sick during that time that friend didn't say anything to us so we still continue to party like everything's okay and there a few days after that party i developed symptoms of coronavirus it is scary just like what they told us in the news luckily few weeks after my first symptom i got better and the doctor told me that i am free from the virus but still i need to quarantine myself to be sure why did i share my story you asked well it is related to our lesson for today let me introduce to you the concept of communicable disease communicable disease is a disease that can be transmuted or spread from one person to another or animal to another it is also called an infectious disease that ranges from athlete's food and chickenpox to severe cases like coronavirus a communicable disease is caused by pathogens or disease agents that enter the body through their record in direct contact the following are the common pathogens pharos bacteria fungi and parasite let's learn the difference of them viruses are very tiny organisms smaller than bacteria they cause diseases not only to humans but also to animals and plants virus needs a living host they cannot grow or breed if they are not inside a living cell when they are in a human cell they increase fats and cause diseases next is bacteria bacteria are very tiny single cell living things that are found almost everywhere they can be seen under a microscope some bacteria are dangerous because they cause diseases other bacteria may be useful they can help in making things rot and in fermentation next is fungi fungi are living things that are not animals or plants they are almost everywhere they may even grow on human skin these include yeast and molds as well as the mushrooms last is parasite parasites are organisms that live in another organism called a host parasites are living things that get their food from other living things there are parasites that are big enough to be seen by the naked eye did you know that these pathogens are only part of the factors of a communicable disease to understand further communicable diseases you need to learn the elements of the chain of infection from pathogen to susceptible host but i don't want to spoil you because dr skittles told me that he will discuss it to you next week expect that by next week you will learn the following elements of chain of infection transmission of communicable disease that's all for today and i want you to stay safe stay home and stay healthy see ya