PHILADELPHIA - When could a COVID-19 vaccine be ready?About a dozen different vaccines are in various stages of testing worldwide, including in Britain, China and the U.S.
This week, Dr. Anthony Fauci, the top U.S. infectious disease expert, said he is cautiously optimistic there will be a COVID-19 vaccine by the end of the year or early 2021.Several wealthy countries have already ordered millions of doses of "The second wave has got to be disheartening after so much progress we’ve made," Philadelphia Health Commissioner Dr.
Thomas Farley said.Cases are rising in Pennsylvania and Philadelphia in what the city health commissioner calls the “second wave."Researchers now believe the virus is clearly vicious, but apparently not all that.