Possibly some 500 million people were infected, about 1 out of every 3 humans then alive! But the Spanish flu was just the beginning.
करीब 50 करोड़ लोग यानी उस समय दुनिया की करीब 33 प्रतिशत आबादी इस बीमारी की चपेट में आ गयी थी ।