Just so, will the flu shot be mandatory?
Yes. CDC recommends a yearly flu vaccine for everyone 6 months and older.
Subsequently, question is, how effective is the flu shot 2020? The vaccine must be changed each year, in hopes of matching the ever-mutating viruses. And that's been a challenge. On average, it's been 40% effective, meaning it's prevented illness 40% of the time.
Moreover, how long did it take for the flu shot to be made?
But it wasn't until 1945 - nearly three decades later - that the first flu vaccine was licensed for civilian use in the U.S. In contrast, an effective and safe COVID-19 vaccine was developed in less than a year. Historically, vaccines have taken years to make it to distribution.
Was the flu ever a pandemic?
An unthinkable 50 to 100 million people worldwide died from the 1918-1919 flu pandemic commonly known as the “Spanish Flu.” It was the deadliest global pandemic since the Black Death, and rare among flu viruses for striking down the young and healthy, often within days of exhibiting the first symptoms.