It's very hard to say right now. Money will be tight, so the pressure to buy the cheapest will remain. A lot of producers and consumer businesses will go bust. Shortage and oversupply will ping pong around for a while.
A lot depends what the effect of deaths is on politics - do any leaders get killed? Differential effect on older voters? Hopefully the number of those will be small enough not to matter.
An alternative would be for company A to appeal to the public (or business customers) to buy from them at a higher price because it helps keep society from being disrupted by supply chain interruptions. That might work short term but cheap prices seem to win out over concerns of societal wide benefits in the long run.
A pandemic could originate in any country. Making things "at home" would turn out to be a bad idea if the pandemic originates at home. If that happened we would like to be able to get help from other countries.
Striving for domestic manufacturing does not prevent imports from occurring if deemed necessary. Tariffs are easy to wave, in an emergency.