Question 1

My doctor told me I need a booster shot. How long after the primary series can I get the booster, and is it safe if I had COVID recently?

Accepted Answer

booster can be given at least 2 months after completing the primary series (or after a previous booster). If you recovered from COVID, wait until you are symptom‑free and at least 2 weeks after recovery, unless your clinician advises otherwise. The booster is safe and enhances protection against variants.

Question 2

I still have fatigue and brain fog three months after my COVID infection. Is this “long COVID,” and what can I do about it?

Accepted Answer

Persistent symptoms like fatigue, cognitive difficulties, shortness of breath, or muscle pain lasting >12 weeks are considered post‑COVID conditions (long COVID). Management includes a multidisciplinary approach: primary‑care follow‑up, referral to a post‑COVID clinic, graded exercise, sleep hygiene, and addressing mental health.

Question 3

My workplace requires a negative test to return after isolation. How long do I need to isolate, and what type of test is acceptable?

Accepted Answer

Current CDC guidance recommends isolation for at least 5 days from symptom onset (or positive test if asymptomatic). If you are fever‑free for 24 hours without medication and symptoms are improving, you may end isolation after day 5 but should wear a mask through day 10. A rapid antigen test on day 5 with a negative result is commonly accepted, but check your employer’s specific policy.

Question 4

I think I was exposed to someone with COVID-19 but I feel fine. Should I get tested?

Accepted Answer

Even if you have no symptoms, a diagnostic test (PCR or rapid antigen) is recommended 3–5 days after exposure to confirm you are not infected, especially if you are around high‑risk individuals or will be in crowded settings.

COVID-19 (Coronavirus Disease 2019)

Frequently Asked Questions