Looks like Sputnik v is effective against so called Indian variant.
https://tass.com/world/1283807
https://www.tourism-review.com/vaccine-tourism-in-san-marino-to-boost-the-numbers-news12028
Homemade drink
2.5 gallons or 10 qt of water
1 lb or 9 slices of classic black, dark or rye bread
1 handful of raisins
1.8 lb (4 cups) of sugar
1.5 Tbsp of active dry yeast