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When is a person contagious with COVID-19?
See full answerEvidence indicates that people become infectious around 48 hours before symptoms start, but are most infectious when having symptoms, even if symptoms are mild and non-specific. It appears that someone infected with the Delta variant may infect others earlier, within one two days of being exposed.Available data indicate that adults with mild to moderate COVID-19 remain infectious no longer than 10 days after symptoms begin and this has not changed with the new variants of concern. Most adults with severe to critical illness or severe immune suppression likely remain infectious for up to 20 days after symptom onset.
What should I do if I develop symptoms of COVID-19?
National public health authorities in your area will probably have specific guidelines covering this (e.g. ‘call the local COVID-19 helpline’). Alternatively, you can also call your local healthcare provider for instructions.
What should I do if I have recently been in contact with a person who is infected with COVID-19?
People who are identified as contacts of a case of COVID-19 are recommended to quarantine (stay at home and isolate yourself from others) for a specific number of days as recommended by the national public health authorities. Monitor yourself for symptoms and get tested as per the local guidelines.
What does it mean when your test results are inconclusive?
Sometimes, the result might be “inconclusive.” That means the lab doesn’t have a clear yes or no answer based on your sample. Your doctor may want you to do the test again or have another kind of test. Reference Ranges.
What does it mean when lab results are not clear?
That means the lab doesn’t have a clear yes or no answer based on your sample. Your doctor may want you to do the test again or have another kind of test. Reference Ranges. A lot of lab test results don’t give clear answers. Instead, they’re shown as a number — like your cholesterol levels.
Why do drug test results come back invalid?
One thing that occurs during test is results may come back invalid or inconclusive. An invalid or inconclusive does not usually equal positive or a failed test. The means test was inconclusive while performing the test.
When to be concerned about your test results?
It’s easy to be concerned if you see words like “abnormal” on your results. But that’s not all that unusual. For example, if your results are just outside the reference range, it may not necessarily be a problem. If you’re worried about any of your results or have any questions, call your doctor’s office.