Herd Immunity Is Not a Magical Percentage

Yes, getting 70 percent of all Americans vaccinated is a worthy goal. But what matters even more is that enough people in enough places are vaccinated.

Photo: Baltimore County government

For months, a tantalizing number has driven America’s Covid-19 response. First, it was 60 to 70 percent; then, as the virus blanketed the globe and evolved to become more contagious, it rose to 75 or even 85 percent.

Herd immunity, which occurs when enough people become immune to a virus that new cases don’t take off and cause outbreaks, has been a major goal in the United States since the pandemic began. Exactly what percentage is needed in the case of SARS-CoV-2, the virus that causes Covid-19, is unclear, but the latest estimate is at least 70 percent. And the key to reaching it, experts say, is paradoxical: Don’t focus on it too hard. Read more at The New Republic.

Categories: Freelance Articles

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 207 other followers

NBCC Member

%d bloggers like this: