<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.inaweza kugarimu watu wengine hadi wiki mbili kuwa na dalili na wengine pia hawapati kabisa lakini bado wanaweza kueneza virusi.  <response>: it can take some people up to two weeks to have symptoms and some people never have any symptoms at all, but they are still able to spread the virus. 