Covid crossword

1234567
Across
  1. 2. Offensive to someone
  2. 4. a variant of covid and starts with O
  3. 5. alpha, beta, omicron
  4. 7. a city in China where the virus came from
Down
  1. 1. things you get when you catch a virus
  2. 3. airborne virus
  3. 6. 26 letters that babies need to learn