pas na &gt; 48u. Daarom svp voorrang voor docenten en leerlingen in de teststraat. 

2) klassen voldoen aan de drie c's: closed space, close contact setting, crowded place &gt; alleen de ventilatie verbeteren neemt slechts één c weg. 

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https://t.co/DNVuGyPBqu
after & gt; 48h. Therefore please priority for teachers and students in the test lane.

2) classes meet the three Cs: closed space, close contact setting, crowded place & gt; only improve the ventilation takes only one path c.

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https://t.co/DNVuGyPBqu
Dutch Covid-strategy made me rejoin Twitter.
Dutch Covid-strategy made me rejoin Twitter.