4 ms·booster shots for variants are almost guaranteed to be needed.by achenatx 5y agobooster shots for variants are almost guaranteed to be needed.bluGill 5y agoEveryone says that, and work is ongoing, but so far the current vaccines are holding against variants. Time will tell.majewsky 5y ago"Their next vaccine" does not need to be a SARS-CoV-2 vaccine.