MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

LYMPH NODES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why isn’t there a vaccine for the common cold?
A
it’s not really a virus
B
it’s caused by an extrememly tiny virus
C
many different viruses cause cold symptoms
D
cold vaccines trigger autoimmune responses
Explanation: 

Detailed explanation-1: -Cover your mouth when you cough, and sneeze into your elbow. Your hand can transmit the infection–so wash up. A vaccine to prevent the common cold has been difficult to make, primarily because there are more than 200 different varieties of viruses that can cause colds.

Detailed explanation-2: -The common cold is caused by many different viruses, with the most common being rhinovirus. Because there are over 100 subtypes of rhinoviruses, it’s hard to develop an effective drug against all of them – one of the reasons there is no cure for a cold yet.

Detailed explanation-3: -The common cold can cause different symptoms in different people. If your cold is caused by a rhinovirus but your friend’s cold is caused by an adenovirus, for example, you may not have the exact same symptoms.

Detailed explanation-4: -More than 200 different viruses are known to cause the symptoms of the common cold. An estimated 30-35% of all adult colds are caused by rhinoviruses.

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