The vaccines each season are created by researchers

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influenza subtypes. The vaccines each season are created by researchers who base the vaccine makeup on the data and the trends and make their predic " on based on that and then the vaccines are given out and it is not 100 percent e ff ec " ve because you could recieve the flu shot but s " ll get it if you are exposed to a strain that was not a part of the composi " on makeup in the vaccine. It is possible to receive a flu vaccine and yet (unfortunately) s ! ll get the flu in the same season if you are exposed to a viral strain that was not included in the vaccine. There are a large number of variants and the flu vaccine is unable to vaccinate against all subtypes. Medical researchers predict and then distribute flu vaccines based current trends and the available data rela ! ve to the most common circula ! ng strains. Unfortunately, this model is not always 100% accurate . 2 / 2 pts Ques ! on 28 True or False. The viral capsid of HIV is cone shaped and contains ~2,000 copies of the viral protein p24. True Correct! False 2 / 2 pts Ques ! on 29 The HIV surface glycoprotein gp41 binds what host cellular receptor? CD4 CXCR4 Correct! Correct! HIV gp41 binds to the receptor CXCR4 CD3 CXCR5 Your Answer: 5 / 5 pts Ques ! on 30 An individual infected with HIV is placed on an " -retroviral medica " on. What is the general purpose of this medica " on? The purpose of this medica " on is to stop the replica " on and or rapid produc " on of the virus. Without treatment, it is most likely that this will progress into AIDS. Answer: As the name suggests, an ! -retrovirals are intended to inhibit (an ! ) the life cycle of retroviruses (retro). By inhibi ! ng steps in the HIV’s lifecycle, an ! -retroviral medica ! ons e ff ec ! vely block the produc ! on of new virus par ! cles and lower the viral load of the pa ! ent. Quiz Score: 97 out of 100 " Previous Next #

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