Winter just ended in the Southern Hemisphere and countries like South Africa, Australia, Argentina and Chile diagnosed hardly any flu thanks to COVID-19 restrictions combined with a big push for influenza vaccinations.With the coronavirus still circulating and cold weather coming just as more schools and businesses reopen, there’s no guarantee that countries in the Northern Hemisphere will be as lucky with flu.“How much flu, we don’t know -- but there will be flu,” predicted Dr.
William Schaffner of Vanderbilt University and the National Foundation for Infectious Diseases.A flu vaccine only protects against influenza, not the coronavirus.