US Surgeon General Dr. Jerome Adams on Wednesday tweeted that a herd immunity approach to combat coronavirus could lead to many deaths and "there is no example" of herd immunity as a successful strategy against Covid-19.
The summary: Large numbers of people would need to be infected to achieve herd immunity without a vaccine; this could overwhelm health care systems and lead to many complications/deaths," Adams posted on his personal Twitter account Wednesday morning.
"So far, there is no example of a large-scale successful intentional infection-based herd immunity strategy," Adams wrote, adding that the best way to stay safe, reduce the spread of infection and keep the country open was to wear masks, wash hands and watch distances.
The topic has recently gained traction in the US and White House senior administration officials last week discussed a controversial declaration from a group of scientists during a call with reporters.
The Great Barrington Declaration advocates for ending lockdowns, building immunity and pushing for those who are not vulnerable to Covid-19 to resume normal life. A senior administration official said it aligned "very strongly with what the President has said for months -- that is strongly protect the high-risk elderly and vulnerable and open schools and restore society to function."