Abstract
World Health Organization estimates that worldwide annually there are about one billion infections, 3-5 million severe illnesses, and 300,000-500,000 deaths (10.1038/s41572-018-0002-y). Influenza is caused primarily by influenza A and influenza B viruses. Influenza A is the cause of pandemics.
Highlights
COVID-19 vaccines have an efficacy of about 90%
Influenza vaccination and therapy are important in addition to COVID-19 vaccination and therapy, especially in persons at increased risk
Precautions utilized during the COVID-19 pandemic reduced the incidence of influenza in 2020
Summary
Influenza will continue to be prevalent because its current vaccines are safe but only 30-60% efficacious. Influenza vaccination and therapy are important in addition to COVID-19 vaccination and therapy, especially in persons at increased risk. Precautions utilized during the COVID-19 pandemic reduced the incidence of influenza in 2020. Influenza is less contagious and causes less severe disease than COVID19.
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