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Although the host may not be experiencing symptoms, the virus can still be passed on to others. It is also possible for the infection to become symptomatic after this incubation period. Whether the host is showing symptoms or not, opportunistic infections can take advantage of the weakened immune system and cause further complications. [20]
People without symptoms can still spread the virus to others, who may experience symptoms. Research suggests that about 25% of people infected with COVID may be asymptomatic. So, assuming that you ...
The virus that causes Covid-19, SARS-CoV-2, can be spread by asymptomatic individuals who are infected but don’t exhibit any of the common symptoms such as cough, fever, runny nose and sore throat.
Other public-health experts were quick to point out that studies so far have shown pre-symptomatic people and asymptomatic people can spread the virus.
Subclinical infections can occur in both humans and animals. [2] Depending on the pathogen, which can be a virus or intestinal parasite, the host may be infectious and able to transmit the pathogen without ever developing symptoms; [3] [4] such a host is called an asymptomatic carrier. [3]
A person may carry a disease, such as Streptococcus in the throat, without exhibiting any symptoms. Depending on the disease, the person may or may not be contagious during the incubation period. During latency, an infection is subclinical. With respect to viral infections, in incubation the virus is replicating. [2]
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The infectious period can start before, during or after the onset of symptoms, and it may stop before or after the symptoms stop showing. It is also known in the literature by a variety of synonymous terms such as the infective period , the period of infectiousness , communicability period , the period of communicability , contagious period ...