At least 800 people in Uganda have been given fake coronavirus vaccines — some injected with water — in a scam authorities say involved "unscrupulous" doctors and health workers. Key points: Two medical workers allegedly involved in the scam have been arrested and police are trying to find another doctor Tests indicated the fake vaccines were not dangerous Victims paid between $34 and $163 for each shot The counterfeit jabs were administered over May and June during a deadly surge of the coronavirus in the East African nation, when new infections soared to record highs of about 1,700 cases per...