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Some people may experience persistent symptoms or disability after recovery from the infection, known as long COVID, but there is still limited information on the best management and rehabilitation for this condition. [5] Most cases of COVID-19 are mild.
Long COVID or long-haul COVID is a group of health problems persisting or developing after an initial period of COVID-19 infection. Symptoms can last weeks, months or years and are often debilitating. [ 3 ]
The Centers for Disease Control and Prevention defines post-COVID conditions as “new, returning, or ongoing” health issues experienced at least four weeks after a COVID-19 infection.
The first confirmed human case in the United States was on 19 January 2020. The World Health Organization declared the COVID-19 outbreak a Public Health Emergency of International Concern (PHEIC) on 30 January 2020, and first referred to it as a pandemic on 11 March 2020. [3] [4] The WHO ended the PHEIC on 5 May 2023. [5]
Nearly 4% of people after Covid infection didn't recover their ability to smell. Even for those in the 4%, there may still be hope, since some get their sense of smell back as late as three years ...
The zero-COVID strategy involves using public health measures such as contact tracing, mass testing, border quarantine, lockdowns, and mitigation software to stop community transmission of COVID-19 as soon as it is detected, with the goal of getting the area back to zero detected infections and resuming normal economic and social activities.
A study of samples collected in Manaus between November 2020 and January 2021, indicated that the Gamma variant is 1.4–2.2 times more transmissible and was shown to be capable of evading 25–61% of inherited immunity from previous coronavirus diseases, leading to the possibility of reinfection after recovery from an earlier COVID-19 ...
Nirmatrelvir/ritonavir has been evaluated in the treatment of COVID‑19 in standard-risk individuals in the EPIC-SR trial. [51] [53] This study did not achieve its primary goal of reducing time to sustained alleviation of COVID‑19 symptoms (treatment: 13 days (95% CI 12–15 days); placebo: 13 days (95% CI 11–14 days)).