![]() ![]() There is no definitive or globally accepted classification of the stages of COVID-19 infection. Scientists are trying to understand the phases of COVID-19 infection from various theoretical and clinical perspectives. One is still infectious during the incubation period, that is, they can easily infect others before they start showing symptoms. It varies for different conditions and may vary from person to person. The period between exposure to a germ and when the symptoms show up is called the incubation period. It is recommended that public health guidance be followed and one get tested if they have been exposed to anyone who has been confirmed to be infected with Sars-CoV-2. Others may be asymptomatic, and infected people without symptoms (pre-symptomatic or asymptomatic) can still infect others and are most infectious during the two days before symptoms appear. Some people have mild to moderate symptoms including fever, cough, tiredness, loss of taste or smell, sore throat, aches, and pains, while others may have more serious symptoms. Symptom onset also depends on the variant to which one is exposed.The incubation period for the Delta variant was shorter than the previous variants, and for Omicron it appears to be about three days, on average. According to the WHO, on average it may take 5-6 days for symptoms to appear. In general, it may take between two to 14 days after exposure to COVID-19 for symptoms to appear. COVID-19 symptoms vary from person to person, and so does the time it takes for the symptoms to appear.
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