Close Elon Musk told his followers on Friday that there is "some controversy" over whether the second coronavirus vaccination is more dangerous than the first jab. Doctors have unanimously stated that vaccines are healthy and that side effects fade within days. (Photo : Justin Sullivan/Getty Images) FREMONT, CALIFORNIA - MAY 12: An aerial view of the Tesla Fremont Factory on May 12, 2020 in Fremont, California. Alameda County has ordered Tesla's CEO Elon Musk to halt production at Tesla Fremont Factory days after Musk defiantly opened up the electric car manufacturing facility against a county ordinance. Musk insists that his company has been called an essential business by the state of California and should be allowed to be operational despite the county order.