"CROSSVIRUS": HTML5 Crossword

Across

5. Who are most at risk? (7)
6. Where did the infection start? (5,0)
8. How is it transmitted? (6,0)
9. Which is the first symptom? (5)

Down

1. Is it called so because it is similar to a...? (5)
2. What do students have classes with? (9)
3. What animals don't spread the new coronavirus? (4)
4. What should be worn to avoid the contagion? (4)
7. What animal does the virus MERS come from? (5,0)