Johnson & Johnson to Begin COVID-19 Vaccine Trials On Humans In July

Johnson & Johnson plans to start its coronavirus vaccine trials two months early due to promising research results. The company will test 1045 healthy adults in the US and Belgium, with some receiving the vaccine and others a placebo. If successful, they aim to produce 1 billion units in 2021. Johnson & Johnson is among ten companies working on a safe and effective vaccine, with experts estimating a 12 to 18-month development period.

What is the goal of Johnson and Johnson regarding the vaccine units in 2021?

How many companies are attempting to find a safe and effective vaccine for the coronavirus?