Dr. Fauci, Director of the National Institute of Allergy and Infectious Diseases has been hopeful for a coronavirus vaccine.br Now, Dr. Fauci says he would "settle" for a Covid-19 vaccine that's 70 to 75 effective.br Fauci cautioned however that this incomplete protection won't be enough to quell the outbreak completely.br According to CNN, three coronavirus vaccines are expected to be studied in large-scale clinical trials in the next three months.br The U.S. has reported over 2.6 million cases of coronavirus, with a death toll of 128,437 people.