In the following link you can find the message of greetings published in the newsportal of KKE in greek:
https://www.902.gr/eidisi/politiki/263078/hairetistirio-minyma-toy-kommoynistikoy-kommatos-soyidias
Dear Comrades,
The Communist Party of Sweden sends fraternal greetings to the Communist Party of Greece on the occasion of its 21st Congress.
Your congress takes place at a time when the workers of the world have been forced to carry the great cost of both a pandemic and a crisis of capitalism; a cost that is not only monetary, but also that of human lives. But even if the pandemic is brought under control, there will be no respite from the capitalists' attacks against workers' rights, as the inter-imperialist contradictions grow ever sharper.
The working people of Greece have in no way been spared the burden of the pandemic and the crisis. On the side of the workers against capitalist encroachment, the Communist Party of Greece has been an example of the level of organization and discipline that a Marxist-Leninist party should strive to achieve.
The Communist Party of Sweden closely follows the situation in Greece and expresses its solidarity with the struggle of the Greek working people and the Communist Party of Greece. We hope and believe that the 21st congress will further advance the positions of the party, and thus the Greek working class, for the struggles that lie ahead.
Long live the Communist Party of Greece!
Long live proletarian internationalism!
With comradely regards,
Karl Gunnarsson
International Secretary
On behalf of the
Communist Party of Sweden
