[Avodah] Blowing shofar with a mask on the end

[Saul Guberman]

On Mon, Aug 24, 2020 at 7:02 PM Cantor Wolberg wrote:
> Have the baal tekiah get a Covid test now and then a couple days before
> R"H and if both tests are negative and he is in good health, the
> chances of him having the virus is almost zero.

It is possible to catch the virus after getting tested.  Most tests take
days to come back; by then you are contagious. Only if you test positive
for antibodies, do you know that you have had the virus.